Docker (software): Difference between revisions

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Alternative public registries:

* [https://gallery.ecr.aws/ AWS ECR Gallery] has a mirror for all official docker containers.

==Caching==

If you want your builds to be fast on CICD, you have to setup [https://docs.docker.com/build/cache/ caching].

In particular you should:

* Enable [https://docs.docker.com/build/buildkit/ buildkit] by setting the environment variable <code>DOCKER_BUILDKIT=1</code>

* Use <code>--cache-from</code> in your build.

* Setup external caching, e.g. with <code>--build-arg BUILDKIT_INLINE_CACHE=1</code>.

** Use <code>--arg BUILDKIT_INLINE_CACHE=1</code> if using <code>docker buildx build</code>.

* For multistage builds, cache each stage in your container registry.

;Resources

* https://michalwojcik.com.pl/2021/01/21/using-cache-in-multi-stage-builds-in-gitlab-ci-docker/

* https://testdriven.io/blog/faster-ci-builds-with-docker-cache/#multi-stage-builds

==Useful Services==

* [https://containrrr.dev/watchtower/ https://containrrr.dev/watchtower/] is a tool which will automatically update your docker containers when new images are published. It also has an http endpoint to trigger checks manually e.g. from CI/CD.

==My Images==

I have a few custom container images below:

* [https://github.com/dli7319/docker-anki-server ghcr.io/dli7319/docker-anki-server:main]

* [https://github.com/dli7319/docker-nextcloud ghcr.io/dli7319/docker-nextcloud:main]

* [https://github.com/dli7319/docker-mediawiki ghcr.io/dli7319/docker-mediawiki:main]

==Resources==

* [https://www.youtube.com/watch?v=fqMOX6JJhGo freeCodeCamp.org Docker Tutorial for Beginners Video]

@@ Line 208: / Line 208: @@
 Alternative public registries:
 * [https://gallery.ecr.aws/ AWS ECR Gallery] has a mirror for all official docker containers.
+==Caching==
+If you want your builds to be fast on CICD, you have to setup [https://docs.docker.com/build/cache/ caching].
+In particular you should:
+* Enable [https://docs.docker.com/build/buildkit/ buildkit] by setting the environment variable <code>DOCKER_BUILDKIT=1</code>
+* Use <code>--cache-from</code> in your build.
+* Setup external caching, e.g. with <code>--build-arg BUILDKIT_INLINE_CACHE=1</code>.
+** Use <code>--arg BUILDKIT_INLINE_CACHE=1</code> if using <code>docker buildx build</code>.
+* For multistage builds, cache each stage in your container registry.
+;Resources
+* https://michalwojcik.com.pl/2021/01/21/using-cache-in-multi-stage-builds-in-gitlab-ci-docker/
+* https://testdriven.io/blog/faster-ci-builds-with-docker-cache/#multi-stage-builds
+==Useful Services==
+* [https://containrrr.dev/watchtower/ https://containrrr.dev/watchtower/] is a tool which will automatically update your docker containers when new images are published. It also has an http endpoint to trigger checks manually e.g. from CI/CD.
+==My Images==
+I have a few custom container images below:
+* [https://github.com/dli7319/docker-anki-server ghcr.io/dli7319/docker-anki-server:main]
+* [https://github.com/dli7319/docker-nextcloud ghcr.io/dli7319/docker-nextcloud:main]
+* [https://github.com/dli7319/docker-mediawiki ghcr.io/dli7319/docker-mediawiki:main]
 ==Resources==
 * [https://www.youtube.com/watch?v=fqMOX6JJhGo freeCodeCamp.org Docker Tutorial for Beginners Video]