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docker/README-MAINTENANCE.md

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How to maintain this repository

The structure and usage of this repository is influenced by other, official docker repositories.

Version directories

This is important!

The update.sh script automatically deletes all non-.-directories (= version directories) at first.

Never ever change a file/folder inside a directory without a . at the beginning (2018.05-rc, ...). This folder will get updated automatically based on the templates you want to change. All changes in such folders will get overwritten during an update.

How to update

This section describes how to update the official Friendica docker images. The official Docker image is available at https://hub.docker.com/_/friendica.

How to update the Docker Image

  1. Review your changes based on the official Docker Review guidelines.
  2. (optional) Check for possible release channels (see chapter generate-stackbrew-library.sh)
  3. (optional) Check if you have to adjust the minimum version (see chapter update.sh)
  4. Check if all tests are green (common issue: you forgot to commit all changes because of update.sh)
  5. Check if all commits are available at the stable branch (= all required PRs are committed into stable)
  6. Download & install bashbrew
  7. Execute generate-stackbrew-library.sh
  8. Copy the output & overwrite the whole official Friendica docker manifest.
  9. Create a new PR at https://github.com/docker-library/official-images/pulls

After the PR is merged, the images aren't immediately available, they've to get build. Check the official Docker Continuous Deployment server https://doi-janky.infosiftr.net/job/multiarch/ for the current status of the builds.

How to update the docker hub description

  1. At first, read https://github.com/docker-library/docs#how-do-i-update-an-images-docs
  2. Checkout & change the content of https://github.com/docker-library/docs/tree/master/friendica
  3. Create a new Pull Request at https://github.com/docker-library/docs/pulls

Tools & Scripts

Github Action

GitHub Actions helps to automate tasks for Continuous Integration (= autotest Docker images) and Continuous Deployment (= autocreate Docker images based on the friendica upstream).

For mor details see Introduction to github actions.

update-sh.yml

This script is a cronjob every 15 minutes and automatically runs update.sh. In case there are changes because of update.sh, it starts images.yml.

images.yml

This script automatically creates autotests actions based on the Docker image version structure and variants. For example if there are two versions (like 2021.03-dev and 2021.01), it would create 3 runs (apache, apache-fpm, fpm-alpine) for each version, having 6 runs at all.

The script uses the official docker GitHub Action tool bashbrew to transform the repository version structure into GitHub Action commands.

This workflow is automatically executed because of a PR, a commit to stable or if the cronjob has found new updates.

Maintenance scripts

update.sh

Creates a directory, and the necessary files for each combination of version (2018.05-rc, 3.6, ...) and variant (apache, fpm, fpm-alpine):

  • Creating the right Dockerfile (from one of the two *.template files)
  • Copy each config file in .config/
  • Recreating the version/variant environment in .travis.yml

All possible Friendica versions are retrieved from https://files.friendi.ca/.

Version patterns

The update script parses the source https://files.friendi.ca/ automatically based on these patterns:

  • stable: friendica-full-%YYYY%.%MM%.tar.gz (e.g. friendica-full-2021.10.tar.gz)
  • dev/rc: friendica-full-%YYYY%.%MM%-dev/rc.tar.gz (e.g. friendica-full-2021.10-dev.tar.gz)
  • hotfix: friendica-full-%YYYY%.%MM%-%i.tar.gz (e.g. friendica-full-2021.10-01.tar.gz)

Any other pattern will completely be ignored(!)

Minimum version

Please adjust the min_version variable. It contains the minimum supported version, which will automatically be available as a Docker image. Any other versions lower than this won't be available from the official Docker Hub anymore.

generate-stackbrew-library.sh

This file creates a "manifest" for the docker-images. This "manifest" is used to create a new PR in the official-images repository for deploying the changes to the Docker Hub. Like:

# This file is generated via https://github.com/friendica/docker/blob/b46fae917321394e1482df59dc4e39daffbe5c59/generate-stackbrew-library.sh
Maintainers: Friendica <info@friendi.ca> (@friendica), Philipp Holzer <admin@philipp.info> (@[secure])
GitRepo: https://github.com/friendica/docker.git

Tags: 2018.05-rc-apache, rc-apache, apache, stable-apache, production-apache, 2018.05-rc, rc, latest, stable, production
Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
GitCommit: b46fae917321394e1482df59dc4e39daffbe5c59
Directory: 2018.05-rc/apache

Tags: 2018.05-rc-fpm, rc-fpm, fpm, stable-fpm, production-fpm
Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
GitCommit: b46fae917321394e1482df59dc4e39daffbe5c59
Directory: 2018.05-rc/fpm

Tags: 2018.05-rc-fpm-alpine, rc-fpm-alpine, fpm-alpine, stable-fpm-alpine, production-fpm-alpine
Architectures: amd64, arm32v6, arm64v8, i386, ppc64le, s390x
GitCommit: b46fae917321394e1482df59dc4e39daffbe5c59
Directory: 2018.05-rc/fpm-alpine
This is the input-file for the official-images in a later step :-)

Release channels

Please adjust the release_channel array. It maps additional tags onto Docker image versions.