gitlab-org--gitlab-foss/doc/install/digitaloceandocker.md

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type: howto
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# Digital Ocean and Docker Machine test environment **(FREE SELF)**

This guide is for quickly testing different versions of GitLab and not
recommended for ease of future upgrades or keeping the data you create.

## Initial setup

This guide configures a Digital Ocean droplet and sets up Docker
locally on either macOS or Linux.

### On macOS

#### Install Docker Desktop

- <https://www.docker.com/products/docker-desktop>

### On Linux

#### Install Docker Engine

- <https://docs.docker.com/engine/installation/linux/>

#### Install Docker Machine

- <https://docs.docker.com/machine/install-machine/>

NOTE:
The rest of the steps are identical for macOS and Linux.

## Create new Docker host

1. Login to Digital Ocean.
1. Generate a new API token at <https://cloud.digitalocean.com/settings/api/tokens>.

   This command creates a new Digital Ocean droplet called `gitlab-test-env-do` that acts as a Docker host.

   NOTE:
   4GB is the minimum requirement for a Docker host that runs more than one GitLab instance.

   - RAM: 4GB
   - Name: `gitlab-test-env-do`
   - Driver: `digitalocean`

1. Set the DO token:

   ```shell
   export DOTOKEN=<your generated token>
   ```

1. Create the machine:

   ```shell
   docker-machine create \
     --driver digitalocean \
     --digitalocean-access-token=$DOTOKEN \
     --digitalocean-size "4gb" \
       gitlab-test-env-do
   ```

Resource: <https://docs.docker.com/machine/drivers/digital-ocean/>.

## Creating GitLab test instance

### Connect your shell to the new machine

This example creates a GitLab EE 8.10.8 instance.

First connect the Docker client to the Docker host you created previously.

```shell
eval "$(docker-machine env gitlab-test-env-do)"
```

You can add this to your `~/.bash_profile` file to ensure the `docker` client uses the `gitlab-test-env-do` Docker host

### Create new GitLab container

- HTTP port: `8888`
- SSH port: `2222`
  - Set `gitlab_shell_ssh_port` using `--env GITLAB_OMNIBUS_CONFIG`
- Hostname: IP of Docker host
- Container name: `gitlab-test-8.10`
- GitLab version: **EE** `8.10.8-ee.0`

#### Set up container settings

```shell
export SSH_PORT=2222
export HTTP_PORT=8888
export VERSION=8.10.8-ee.0
export NAME=gitlab-test-8.10
```

#### Create container

```shell
docker run --detach \
--env GITLAB_OMNIBUS_CONFIG="external_url 'http://$(docker-machine ip gitlab-test-env-do):$HTTP_PORT'; gitlab_rails['gitlab_shell_ssh_port'] = $SSH_PORT;" \
--hostname $(docker-machine ip gitlab-test-env-do) \
-p $HTTP_PORT:$HTTP_PORT -p $SSH_PORT:22 \
--name $NAME \
gitlab/gitlab-ee:$VERSION
```

### Connect to the GitLab container

#### Retrieve the Docker host IP

```shell
docker-machine ip gitlab-test-env-do
# example output: 192.168.151.134
```

Browse to: `http://192.168.151.134:8888/`.

#### Execute interactive shell/edit configuration

```shell
docker exec -it $NAME /bin/bash
```

```shell
# example commands
root@192:/# vi /etc/gitlab/gitlab.rb
root@192:/# gitlab-ctl reconfigure
```

### Resources

- <https://docs.gitlab.com/omnibus/docker/>.
- <https://docs.docker.com/machine/get-started/>.
- <https://docs.docker.com/machine/reference/ip/>.

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