97 lines
2.5 KiB
Markdown
97 lines
2.5 KiB
Markdown
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# Gogs via Docker
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## Concept
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* nginx reverse proxy (in docker container), automatically configured (except for the ssl certificates)
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* backend gogs instance (in docker container)
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## Getting the images
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Just pull them:
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```sh
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docker pull hasufell/alpine-gogs
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docker pull hasufell/alpine-nginx-proxy
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```
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## Configuration
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Gogs is configured via the web interface once the instance has started.
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In addition, the following environment variables can be passed via `-e` to
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`docker run`:
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* `VIRTUAL_HOST`: sets the hostname for connecting to the gogs backend server
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* `VIRTUAL_PORT`: tells the front proxy on which port to contact the backend server
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* `GOGS_SSH_PORT`: this only changes the port of the sshd service, you will still have to adjust it in the web configuration interface (optional, default 22)
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### Certificates
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We need certificates which are named according to the hostname
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of the gogs instance (e.g. if you will access gogs via
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`https://gogs.foo.com`, then you name your certificates files
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`gogs.foo.crt` and `gogs.foo.key`).
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Just drop these in a directory. We will mount this directory into the
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container later.
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## Running for the first time
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Create the volumes. This will create a persistent data volume container.
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You should not remove it (keep in mind that this container is not running).
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```sh
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docker run \
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--name=gogs-volumes \
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-v /data \
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hasufell/alpine-gogs \
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echo gogs-volumes
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```
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Now we start the front proxy.
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```sh
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docker run -ti -d \
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-v /var/run/docker.sock:/tmp/docker.sock:ro \
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-v <full-path-to-nginx-certs>:/etc/nginx/certs \
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-p 80:80 \
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-p 443:443 \
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hasufell/alpine-nginx-proxy
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```
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Now we can start the gogs instance.
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```sh
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docker run -ti -d \
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--volumes-from gogs-volumes \
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--name=gogs \
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-e VIRTUAL_HOST=<hostname> \
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-e VIRTUAL_PORT=3000 \
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-e GOGS_SSH_PORT=<ssh-port> \
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-p <sshport>:<sshport> \
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hasufell/alpine-gogs
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```
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Note that `VIRTUAL_HOST` and `VIRTUAL_PORT` are __strictly__ necessary,
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because they are used by the front proxy to update its configuration
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automatically.
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## Initial web configuration
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Make sure:
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* `Database Type` is SQLite3
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* `Domain` is set to your domain
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* `SSH Port` is set to what you specified in `GOGS_SSH_PORT` (or 22 for default)
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* `Application URL` is `https://<domain>/` (not `http`) _without_ the Port 3000
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## Update procedure
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```sh
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docker stop gogs
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docker rm gogs
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docker pull hasufell/alpine-gogs
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docker run -ti -d \
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--volumes-from gogs-volumes \
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--name=gogs \
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-e VIRTUAL_HOST=<hostname> \
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-e VIRTUAL_PORT=3000 \
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-e GOGS_SSH_PORT=<ssh-port> \
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-p <sshport>:<sshport> \
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hasufell/alpine-gogs
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```
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