Update Docker documentation to use single container
This commit is contained in:
Kamil Trzcinski
parent
2b5007245a
commit
954c1df256
11 changed files with 153 additions and 259 deletions
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@ -7,7 +7,9 @@ RUN apt-get update -q \
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ca-certificates \
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openssh-server \
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wget \
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apt-transport-https
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apt-transport-https \
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vim \
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nano
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# Download & Install GitLab
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# If you run GitLab Enterprise Edition point it to a location where you have downloaded it.
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@ -23,7 +25,14 @@ RUN mkdir -p /opt/gitlab/sv/sshd/supervise \
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&& ln -s /opt/gitlab/sv/sshd /opt/gitlab/service \
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&& mkdir -p /var/run/sshd
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# Expose https & http & ssh
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# Prepare default configuration
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RUN ( \
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echo "" && \
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echo "# Docker options" && \
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echo "# Prevent Postgres from trying to allocate 25% of total memory" && \
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echo "postgresql['shared_buffers'] = '1MB'" ) >> /etc/gitlab/gitlab.rb
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# Expose web & ssh
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EXPOSE 443 80 22
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# Define data volumes
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@ -31,7 +40,6 @@ VOLUME ["/etc/gitlab", "/var/opt/gitlab", "/var/log/gitlab"]
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# Copy assets
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COPY assets/wrapper /usr/local/bin/
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COPY assets/gitlab.rb /etc/gitlab/
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# Wrapper to handle signal, trigger runit and reconfigure GitLab
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CMD ["/usr/local/bin/wrapper"]
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222
docker/README.md
222
docker/README.md
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@ -11,150 +11,154 @@ After starting a container you can go to [http://localhost:8080/](http://localho
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It might take a while before the docker container is responding to queries.
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You can check the status with something like `sudo docker logs -f 7c10172d7705`.
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You can check the status with something like `sudo docker logs -f gitlab`.
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You can login to the web interface with username `root` and password `password`.
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Next time, you can just use docker start and stop to run the container.
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## How to build the docker images
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## Run the image
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This guide will also let you know how to build docker images yourself.
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Run the image:
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```bash
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sudo docker run --detach \
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--publish 80443:443 --publish 8080:80 --publish 2222:22 \
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--name gitlab \
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--restart always \
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--volume /srv/gitlab/config:/etc/gitlab \
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--volume /srv/gitlab/logs:/var/log/gitlab \
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--volume /srv/gitlab/data:/var/opt/gitlab \
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gitlab/gitlab-ce:latest
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```
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This will start GitLab CE container and expose ports needed to access SSH, HTTP and HTTPS.
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All GitLab data will be stored as subdirectories of `/srv/gitlab/`.
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The container will automatically `restart` after system reboot.
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After this you can login to the web interface as explained above in 'After starting a container'.
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## Build and publish the image
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This guide will also let you know how to build docker image yourself.
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Please run all the commands from the GitLab repo root directory.
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People using boot2docker should run all the commands without sudo.
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## Choosing between the single and the app and data images
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Normally docker uses a single image for one applications.
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But GitLab stores repositories and uploads in the filesystem.
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This means that upgrades of a single image are hard.
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That is why we recommend using separate app and data images.
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We'll first describe how to use a single image.
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After that we'll describe how to use the app and data images.
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## Single image
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Get a published image from Dockerhub:
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```bash
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sudo docker pull sytse/gitlab-ce:7.10.1
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sudo docker build --tag gitlab/gitlab-ce:latest
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```
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Run the image:
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## Where is the data stored?
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```bash
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sudo docker run --detach --publish 8080:80 --publish 2222:22 sytse/gitlab-ce:7.10.1
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```
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The GitLab container uses host mounted volumes to store persistent data:
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- `/srv/gitlab/data` mounted as `/var/opt/gitlab` in the container is used for storing *application data*
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- `/srv/gitlab/logs` mounted as `/var/log/gitlab` in the container is used for storing *logs*
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- `/srv/gitlab/config` mounted as `/etc/gitlab` in the container is used for storing *configuration*
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After this you can login to the web interface as explained above in 'After starting a container'.
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Build the image:
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```bash
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sudo docker build --tag sytse/gitlab-ce:7.10.1 docker/single/
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```
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Publish the image to Dockerhub:
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```bash
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sudo docker push sytse/gitlab-ce
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```
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Diagnosing commands:
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```bash
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sudo docker run -i -t sytse/gitlab-ce:7.10.1
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sudo docker run -ti -e TERM=linux --name gitlab-ce-troubleshoot --publish 8080:80 --publish 2222:22 sytse/gitlab-ce:7.10.1 bash /usr/local/bin/wrapper
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```
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## App and data images
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### Get published images from Dockerhub
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```bash
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sudo docker pull sytse/gitlab-data
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sudo docker pull sytse/gitlab-app:7.10.1
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```
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### Run the images
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```bash
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sudo docker run --name gitlab-data sytse/gitlab-data /bin/true
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sudo docker run --detach --name gitlab-app --publish 8080:80 --publish 2222:22 --volumes-from gitlab-data sytse/gitlab-app:7.10.1
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```
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After this you can login to the web interface as explained above in 'After starting a container'.
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### Build images
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Build your own based on the Omnibus packages with the following commands.
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```bash
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sudo docker build --tag gitlab-data docker/data/
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sudo docker build --tag gitlab-app:7.10.1 docker/app/
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```
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After this run the images:
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```bash
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sudo docker run --name gitlab-data gitlab-data /bin/true
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sudo docker run --detach --name gitlab-app --publish 8080:80 --publish 2222:22 --volumes-from gitlab-data gitlab-app:7.10.1
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```
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We assume using a data volume container, this will simplify migrations and backups.
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This empty container will exist to persist as volumes the 3 directories used by GitLab, so remember not to delete it.
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The directories on data container are:
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- `/var/opt/gitlab` for application data
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- `/var/log/gitlab` for logs
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- `/etc/gitlab` for configuration
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You can fine tune these directories to meet your requirements.
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### Configure GitLab
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This container uses the official Omnibus GitLab distribution, so all configuration is done in the unique configuration file `/etc/gitlab/gitlab.rb`.
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To access GitLab configuration, you can start an interactive command line in a new container using the shared data volume container, you will be able to browse the 3 directories and use your favorite text editor:
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To access GitLab configuration, you can start an bash in a new the context of running container, you will be able to browse all directories and use your favorite text editor:
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```bash
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sudo docker run -ti -e TERM=linux --rm --volumes-from gitlab-data ubuntu
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vi /etc/gitlab/gitlab.rb
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sudo docker exec -it gitlab /bin/bash
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```
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**Note** that GitLab will reconfigure itself **at each container start.** You will need to restart the container to reconfigure your GitLab.
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You can find all available options in [Omnibus GitLab documentation](https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/README.md#configuration).
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### Upgrade GitLab with app and data images
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To upgrade GitLab to new versions, stop running container, create new docker image and container from that image.
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It Assumes that you're upgrading from 7.8.1 to 7.10.1 and you're in the updated GitLab repo root directory:
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You can also edit just `/etc/gitlab/gitlab.rb`:
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```bash
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sudo docker stop gitlab-app
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sudo docker rm gitlab-app
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sudo docker build --tag gitlab-app:7.10.1 docker/app/
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sudo docker run --detach --name gitlab-app --publish 8080:80 --publish 2222:22 --volumes-from gitlab-data gitlab-app:7.10.1
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sudo docker exec -it gitlab vi /etc/gitlab/gitlab.rb
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```
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On the first run GitLab will reconfigure and update itself. If everything runs OK don't forget to cleanup the app image:
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**You should set the `external_url` to point to a valid URL.**
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**To receive e-mails from GitLab you have to configure the [SMTP settings](https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/doc/settings/smtp.md),
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because Docker image doesn't have a SMTP server.**
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**Note** that GitLab will reconfigure itself **at each container start.** You will need to restart the container to reconfigure your GitLab:
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```bash
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sudo docker rmi gitlab-app:7.8.1
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sudo docker restart gitlab
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```
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For more options for configuring the container please check [Omnibus GitLab documentation](https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/README.md#configuration).
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## Diagnose potential problems
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Read container logs:
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```bash
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sudo docker logs gitlab
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```
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Enter running container:
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```bash
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sudo docker exec -it gitlab /bin/bash
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```
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From within container you can administrer GitLab container as you would normally administer Omnibus installation: https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/README.md.
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### Upgrade GitLab to newer version
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To upgrade GitLab to new version you have to do:
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1. pull new image,
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```bash
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sudo docker stop gitlab
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```
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1. stop running container,
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```bash
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sudo docker rm gitlab
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```
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1. remove existing container,
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```bash
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sudo docker pull gitlab/gitlab-ce:latest
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```
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1. create the container once again with previously specified options.
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```bash
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sudo docker run --detach \
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--publish 80443:443 --publish 8080:80 --publish 2222:22 \
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--name gitlab \
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--restart always \
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--volume /srv/gitlab/config:/etc/gitlab \
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--volume /srv/gitlab/logs:/var/log/gitlab \
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--volume /srv/gitlab/data:/var/opt/gitlab \
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gitlab/gitlab-ce:latest
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```
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On the first run GitLab will reconfigure and update itself.
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### Run GitLab CE on public IP address
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You can make Docker to use your IP address and forward all traffic to the GitLab CE container.
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You can do that by modifying the `--publish` ((Binding container ports to the host)[https://docs.docker.com/articles/networking/#binding-ports]):
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> --publish=[] : Publish a container᾿s port or a range of ports to the host format: ip:hostPort:containerPort | ip::containerPort | hostPort:containerPort | containerPort
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To expose GitLab CE on IP 1.1.1.1:
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```bash
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sudo docker run --detach \
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--publish 1.1.1.1:443:443 --publish 1.1.1.1:80:80 --publish 1.1.1.1:22:22 \
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--name gitlab \
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--restart always \
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--volume /srv/gitlab/config:/etc/gitlab \
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--volume /srv/gitlab/logs:/var/log/gitlab \
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--volume /srv/gitlab/data:/var/opt/gitlab \
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gitlab/gitlab-ce:latest
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```
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You can then access GitLab instance at http://1.1.1.1/ and https://1.1.1.1/.
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### Publish images to Dockerhub
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- Ensure the containers are running
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- Login to Dockerhub with `sudo docker login`
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- Run the following (replace '7.10.1' with the version you're using and 'Sytse Sijbrandij' with your name):
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```bash
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sudo docker commit -m "Initial commit" -a "Sytse Sijbrandij" gitlab-app sytse/gitlab-app:7.10.1
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sudo docker push sytse/gitlab-app:7.10.1
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sudo docker commit -m "Initial commit" -a "Sytse Sijbrandij" gitlab-data sytse/gitlab-data
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sudo docker push sytse/gitlab-data
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sudo docker login
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sudo docker push gitlab/gitlab-ce:latest
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```
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## Troubleshooting
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@ -1,32 +0,0 @@
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FROM ubuntu:14.04
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# Install required packages
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RUN apt-get update -q \
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&& DEBIAN_FRONTEND=noninteractive apt-get install -qy --no-install-recommends \
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ca-certificates \
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openssh-server \
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wget \
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apt-transport-https
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# Download & Install GitLab
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# If you run GitLab Enterprise Edition point it to a location where you have downloaded it.
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RUN echo "deb https://packages.gitlab.com/gitlab/gitlab-ce/ubuntu/ `lsb_release -cs` main" > /etc/apt/sources.list.d/gitlab_gitlab-ce.list
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RUN wget -q -O - https://packages.gitlab.com/gpg.key | apt-key add -
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RUN apt-get update && apt-get install -yq --no-install-recommends gitlab-ce
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# Manage SSHD through runit
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RUN mkdir -p /opt/gitlab/sv/sshd/supervise \
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&& mkfifo /opt/gitlab/sv/sshd/supervise/ok \
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&& printf "#!/bin/sh\nexec 2>&1\numask 077\nexec /usr/sbin/sshd -D" > /opt/gitlab/sv/sshd/run \
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&& chmod a+x /opt/gitlab/sv/sshd/run \
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&& ln -s /opt/gitlab/sv/sshd /opt/gitlab/service \
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&& mkdir -p /var/run/sshd
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# Expose web & ssh
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EXPOSE 80 22
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# Copy assets
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COPY assets/wrapper /usr/local/bin/
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# Wrapper to handle signal, trigger runit and reconfigure GitLab
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CMD ["/usr/local/bin/wrapper"]
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@ -1,17 +0,0 @@
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#!/bin/bash
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function sigterm_handler() {
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echo "SIGTERM signal received, try to gracefully shutdown all services..."
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gitlab-ctl stop
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}
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trap "sigterm_handler; exit" TERM
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function entrypoint() {
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# Default is to run runit and reconfigure GitLab
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gitlab-ctl reconfigure &
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/opt/gitlab/embedded/bin/runsvdir-start &
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wait
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}
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entrypoint
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@ -1,8 +0,0 @@
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FROM busybox
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# Declare volumes
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VOLUME ["/var/opt/gitlab", "/var/log/gitlab", "/etc/gitlab"]
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# Copy assets
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COPY assets/gitlab.rb /etc/gitlab/
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CMD /bin/sh
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@ -1,37 +0,0 @@
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# External URL should be your Docker instance.
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# By default, this example is the "standard" boot2docker IP.
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# Always use port 80 here to force the internal nginx to bind port 80,
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# even if you intend to use another port in Docker.
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external_url "http://192.168.59.103/"
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# Prevent Postgres from trying to allocate 25% of total memory
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postgresql['shared_buffers'] = '1MB'
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# Configure GitLab to redirect PostgreSQL logs to the data volume
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postgresql['log_directory'] = '/var/log/gitlab/postgresql'
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# Some configuration of GitLab
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# You can find more at https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/README.md#configuration
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gitlab_rails['gitlab_email_from'] = 'gitlab@example.com'
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gitlab_rails['gitlab_support_email'] = 'support@example.com'
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gitlab_rails['time_zone'] = 'Europe/Paris'
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# SMTP settings
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# You must use an external server, the Docker container does not install an SMTP server
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gitlab_rails['smtp_enable'] = true
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gitlab_rails['smtp_address'] = "smtp.example.com"
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gitlab_rails['smtp_port'] = 587
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gitlab_rails['smtp_user_name'] = "user"
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gitlab_rails['smtp_password'] = "password"
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gitlab_rails['smtp_domain'] = "example.com"
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gitlab_rails['smtp_authentication'] = "plain"
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gitlab_rails['smtp_enable_starttls_auto'] = true
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# Enable LDAP authentication
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# gitlab_rails['ldap_enabled'] = true
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# gitlab_rails['ldap_host'] = 'ldap.example.com'
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# gitlab_rails['ldap_port'] = 389
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# gitlab_rails['ldap_method'] = 'plain' # 'ssl' or 'plain'
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# gitlab_rails['ldap_allow_username_or_email_login'] = false
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# gitlab_rails['ldap_uid'] = 'uid'
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# gitlab_rails['ldap_base'] = 'ou=users,dc=example,dc=com'
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2
docker/fig.yml
Normal file
2
docker/fig.yml
Normal file
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@ -0,0 +1,2 @@
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app:
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build: .
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@ -1,37 +0,0 @@
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# External URL should be your Docker instance.
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# By default, GitLab will use the Docker container hostname.
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# Always use port 80 here to force the internal nginx to bind port 80,
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# even if you intend to use another port in Docker.
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# external_url "http://192.168.59.103/"
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# Prevent Postgres from trying to allocate 25% of total memory
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postgresql['shared_buffers'] = '1MB'
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# Configure GitLab to redirect PostgreSQL logs to the data volume
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postgresql['log_directory'] = '/var/log/gitlab/postgresql'
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# Some configuration of GitLab
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# You can find more at https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/README.md#configuration
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gitlab_rails['gitlab_email_from'] = 'gitlab@example.com'
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gitlab_rails['gitlab_support_email'] = 'support@example.com'
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gitlab_rails['time_zone'] = 'Europe/Paris'
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# SMTP settings
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# You must use an external server, the Docker container does not install an SMTP server
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gitlab_rails['smtp_enable'] = true
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gitlab_rails['smtp_address'] = "smtp.example.com"
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gitlab_rails['smtp_port'] = 587
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gitlab_rails['smtp_user_name'] = "user"
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gitlab_rails['smtp_password'] = "password"
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gitlab_rails['smtp_domain'] = "example.com"
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gitlab_rails['smtp_authentication'] = "plain"
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gitlab_rails['smtp_enable_starttls_auto'] = true
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# Enable LDAP authentication
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# gitlab_rails['ldap_enabled'] = true
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# gitlab_rails['ldap_host'] = 'ldap.example.com'
|
||||
# gitlab_rails['ldap_port'] = 389
|
||||
# gitlab_rails['ldap_method'] = 'plain' # 'ssl' or 'plain'
|
||||
# gitlab_rails['ldap_allow_username_or_email_login'] = false
|
||||
# gitlab_rails['ldap_uid'] = 'uid'
|
||||
# gitlab_rails['ldap_base'] = 'ou=users,dc=example,dc=com'
|
||||
|
|
@ -9,24 +9,19 @@ postgresql['log_directory'] = '/var/log/gitlab/postgresql'
|
|||
# Commands
|
||||
|
||||
```bash
|
||||
sudo docker build --tag gitlab_image docker/
|
||||
sudo docker build --tag gitlab/gitlab-ce:latest docker/
|
||||
|
||||
sudo docker rm -f gitlab_app
|
||||
sudo docker rm -f gitlab_data
|
||||
sudo docker rm -f gitlab
|
||||
|
||||
sudo docker run --name gitlab_data gitlab_image /bin/true
|
||||
sudo docker exec -it gitlab vim /etc/gitlab/gitlab.rb
|
||||
|
||||
sudo docker run -ti --rm --volumes-from gitlab_data ubuntu apt-get update && sudo apt-get install -y vim && sudo vim /etc/gitlab/gitlab.rb
|
||||
sudo docker exec gitlab tail -f /var/log/gitlab/reconfigure.log
|
||||
|
||||
sudo docker run --detach --name gitlab_app --publish 8080:80 --publish 2222:22 --volumes-from gitlab_data gitlab_image
|
||||
sudo docker exec gitlab tail -f /var/log/gitlab/postgresql/current
|
||||
|
||||
sudo docker run -t --rm --volumes-from gitlab_data ubuntu tail -f /var/log/gitlab/reconfigure.log
|
||||
sudo docker exec gitlab cat /var/opt/gitlab/postgresql/data/postgresql.conf | grep shared_buffers
|
||||
|
||||
sudo docker run -t --rm --volumes-from gitlab_data ubuntu tail -f /var/log/gitlab/postgresql/current
|
||||
|
||||
sudo docker run -t --rm --volumes-from gitlab_data ubuntu cat /var/opt/gitlab/postgresql/data/postgresql.conf | grep shared_buffers
|
||||
|
||||
sudo docker run -t --rm --volumes-from gitlab_data ubuntu cat /etc/gitlab/gitlab.rb
|
||||
sudo docker exec gitlab cat /etc/gitlab/gitlab.rb
|
||||
```
|
||||
|
||||
# Interactively
|
||||
|
|
@ -37,7 +32,16 @@ sudo docker run -t --rm --volumes-from gitlab_data ubuntu cat /etc/gitlab/gitlab
|
|||
# - we run interactively (-t -i)
|
||||
# - we define TERM=linux because it allows to use arrow keys in vi (!!!)
|
||||
# - we choose another startup command (bash)
|
||||
sudo docker run -ti -e TERM=linux --name gitlab_app --publish 8080:80 --publish 2222:22 --volumes-from gitlab_data gitlab_image bash
|
||||
sudo docker run --ti \
|
||||
-e TERM=linux
|
||||
--publish 80443:443 --publish 8080:80 --publish 2222:22 \
|
||||
--name gitlab \
|
||||
--restart always \
|
||||
--volume /srv/gitlab/config:/etc/gitlab \
|
||||
--volume /srv/gitlab/logs:/var/log/gitlab \
|
||||
--volume /srv/gitlab/data:/var/opt/gitlab \
|
||||
gitlab/gitlab-ce:latest \
|
||||
bash
|
||||
|
||||
# Configure GitLab to redirect PostgreSQL logs
|
||||
echo "postgresql['log_directory'] = '/var/log/gitlab/postgresql'" >> /etc/gitlab/gitlab.rb
|
||||
|
|
@ -64,10 +68,17 @@ free -m
|
|||
|
||||
# Cleanup
|
||||
|
||||
Remove ALL docker containers and images (also non GitLab ones):
|
||||
Remove ALL docker containers and images (also non GitLab ones).
|
||||
**Be careful, because the `-v` also removes volumes attached to the images.**
|
||||
|
||||
```
|
||||
docker rm $(docker ps -a -q)
|
||||
```bash
|
||||
# Remove all containers with attached volumes
|
||||
docker rm -v $(docker ps -a -q)
|
||||
|
||||
# Remove all images
|
||||
docker rmi $(docker images -q)
|
||||
|
||||
# Remove GitLab persistent data
|
||||
rm -rf /srv/gitlab
|
||||
```
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue