Quentin McGaw (desktop)
3 years ago
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.dockerignore
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devcontainer.json
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docker-compose.yml
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Dockerfile
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README.md
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FROM qmcgaw/godevcontainer
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# Development container
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Development container that can be used with VSCode.
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It works on Linux, Windows and OSX.
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## Requirements
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- [VS code](https://code.visualstudio.com/download) installed
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- [VS code remote containers extension](https://marketplace.visualstudio.com/items?itemName=ms-vscode-remote.remote-containers) installed
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- [Docker](https://www.docker.com/products/docker-desktop) installed and running
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- [Docker Compose](https://docs.docker.com/compose/install/) installed
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## Setup
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1. Create the following files on your host if you don't have them:
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```sh
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touch ~/.gitconfig ~/.zsh_history
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```
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Note that the development container will create the empty directories `~/.docker`, `~/.ssh` and `~/.kube` if you don't have them.
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1. **For Docker on OSX or Windows without WSL**: ensure your home directory `~` is accessible by Docker.
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1. **For Docker on Windows without WSL:** if you want to use SSH keys, bind mount your host `~/.ssh` to `/tmp/.ssh` instead of `~/.ssh` by changing the `volumes` section in the [docker-compose.yml](docker-compose.yml).
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1. Open the command palette in Visual Studio Code (CTRL+SHIFT+P).
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1. Select `Remote-Containers: Open Folder in Container...` and choose the project directory.
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## Customization
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### Customize the image
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You can make changes to the [Dockerfile](Dockerfile) and then rebuild the image. For example, your Dockerfile could be:
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```Dockerfile
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FROM qmcgaw/godevcontainer
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RUN apk add curl
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```
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To rebuild the image, either:
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- With VSCode through the command palette, select `Remote-Containers: Rebuild and reopen in container`
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- With a terminal, go to this directory and `docker-compose build`
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### Customize VS code settings
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You can customize **settings** and **extensions** in the [devcontainer.json](devcontainer.json) definition file.
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### Entrypoint script
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You can bind mount a shell script to `/home/vscode/.welcome.sh` to replace the [current welcome script](shell/.welcome.sh).
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### Publish a port
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To access a port from your host to your development container, publish a port in [docker-compose.yml](docker-compose.yml). You can also now do it directly with VSCode without restarting the container.
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### Run other services
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1. Modify [docker-compose.yml](docker-compose.yml) to launch other services at the same time as this development container, such as a test database:
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```yml
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database:
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image: postgres
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restart: always
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environment:
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POSTGRES_PASSWORD: password
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```
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1. In [devcontainer.json](devcontainer.json), change the line `"runServices": ["vscode"],` to `"runServices": ["vscode", "database"],`.
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1. In the VS code command palette, rebuild the container.
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