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This PR aims to increase the consistency across the docs for code blocks and code/comment/output markings. Rule followed here is "what's visible on the screen should be reflected" Issue: - Docs had various code blocks showing: comments, commands & outputs. - All three of these items were inconsistently marked. Some examples as to how this PR aims to introduce improvements: 1. Removed `> ` from in front of the "outputs". Eg, ` > REPOSITORY TAG ID CREATED` replaced with: ` REPOSITORY TAG ID CREATED`. 2. Introduced `$` for commands. Eg, ` sudo chkconfig docker on` replaced with: ` $ sudo chkconfig docker on` 3. Comments: ` > # ` replaced with: ` # `. > Please note: > Due to a vast amount of items reviewed and changed for this PR, there > might be some individually incorrect replacements OR patterns of incorrect > replacements. This PR needs to be reviewed and if there is anything missing, > it should be improved or amended. Closes: https://github.com/dotcloud/docker/issues/5286 Docker-DCO-1.1-Signed-off-by: O.S. Tezer <ostezer@gmail.com> (github: ostezer)
89 lines
2.9 KiB
Markdown
89 lines
2.9 KiB
Markdown
page_title: Building a Docker Image with MongoDB
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page_description: How to build a Docker image with MongoDB pre-installed
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page_keywords: docker, example, package installation, networking, mongodb
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# Building an Image with MongoDB
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> **Note**:
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>
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> - This example assumes you have Docker running in daemon mode. For
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> more information please see [*Check your Docker
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> install*](../hello_world/#running-examples).
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> - **If you don't like sudo** then see [*Giving non-root
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> access*](/installation/binaries/#dockergroup)
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The goal of this example is to show how you can build your own Docker
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images with MongoDB pre-installed. We will do that by constructing a
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Dockerfile that downloads a base image, adds an
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apt source and installs the database software on Ubuntu.
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## Creating a Dockerfile
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Create an empty file called Dockerfile:
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$ touch Dockerfile
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Next, define the parent image you want to use to build your own image on
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top of. Here, we'll use [Ubuntu](https://index.docker.io/_/ubuntu/)
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(tag: `latest`) available on the [docker
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index](http://index.docker.io):
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FROM ubuntu:latest
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Since we want to be running the latest version of MongoDB we'll need to
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add the 10gen repo to our apt sources list.
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# Add 10gen official apt source to the sources list
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RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10
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RUN echo 'deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen' | tee /etc/apt/sources.list.d/10gen.list
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Then, we don't want Ubuntu to complain about init not being available so
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we'll divert `/sbin/initctl` to
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`/bin/true` so it thinks everything is working.
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# Hack for initctl not being available in Ubuntu
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RUN dpkg-divert --local --rename --add /sbin/initctl
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RUN ln -s /bin/true /sbin/initctl
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Afterwards we'll be able to update our apt repositories and install
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MongoDB
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# Install MongoDB
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RUN apt-get update
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RUN apt-get install mongodb-10gen
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To run MongoDB we'll have to create the default data directory (because
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we want it to run without needing to provide a special configuration
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file)
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# Create the MongoDB data directory
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RUN mkdir -p /data/db
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Finally, we'll expose the standard port that MongoDB runs on, 27107, as
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well as define an `ENTRYPOINT` instruction for the
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container.
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EXPOSE 27017
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ENTRYPOINT ["usr/bin/mongod"]
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Now, lets build the image which will go through the
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Dockerfile we made and run all of the commands.
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$ sudo docker build -t <yourname>/mongodb .
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Now you should be able to run `mongod` as a daemon
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and be able to connect on the local port!
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# Regular style
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$ MONGO_ID=$(sudo docker run -d <yourname>/mongodb)
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# Lean and mean
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$ MONGO_ID=$(sudo docker run -d <yourname>/mongodb --noprealloc --smallfiles)
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# Check the logs out
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$ sudo docker logs $MONGO_ID
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# Connect and play around
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$ mongo --port <port you get from `docker ps`>
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Sweet!
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