docker-images-example
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docker-images-example
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Pushing Cutom Images to Docker Hub using GitHub Actions
First, we need an application source code which we have already dockerized, in this case we will take a simple example, Here is the link of the Git Repo. In this project, we have just two file which have been used. One is 'index.html' and another is 'Dockerfile'. Assumtion is that we already know how to build and run it locally.
buildx
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BuildKit in depth: Docker's build engine explained
This is great! I’ve been waiting a long time for this and it seems like more debug features are in the pipeline too: https://github.com/docker/buildx/issues/1104
Docs: https://docs.docker.com/engine/reference/commandline/buildx_...
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Nx + NextJS + Docker - The Nx way: Creating the NextJS application
Container engine: Docker v23.0.4 | Buildx v0.10.4
- Using Docker Buildx to Create Cross-Platform Docker Images for Seamless Compatibility
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Cross-platform container images with buildx and colima
ARCH=amd64 # change to 'arm64' for M1 VERSION=v0.10.4 curl -LO https://github.com/docker/buildx/releases/download/${VERSION}/buildx-${VERSION}.darwin-${ARCH} mkdir -p ~/.docker/cli-plugins mv buildx-${VERSION}.darwin-${ARCH} ~/.docker/cli-plugins/docker-buildx chmod +x ~/.docker/cli-plugins/docker-buildx docker buildx version # verify installation
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Help Downloading Buildx on Play-with-Docker Instance
wget -O /tmp/docker/cli-plugins/docker-buildx https://github.com/docker/buildx/releases/tag/v0.10.4/buildx-v0.10.4.linux-amd64
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docker-ce upgrade broke my builds
Your particular one looks somewhat like https://github.com/docker/buildx/issues/1595.
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One Dockerfile is all it takes, falling in love with bake
Now, we have examples of the actual definitions for a single application’s docker container. Notice that we set the contexts key here which references the dependency targets we just defined. You can basically think of this like the depends_on block if you’ve used Terraform before. The args key let’s us populate the ARG variables in the Dockerfile. This is what is ultimately different between each of the containers. In the future, the buildx team might support using for_each loops like in Terraform but for now each block will have a bit of duplication.
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Optimize your docker containers
Now as bonus we i will add how to use this techniques to build a multi arch build container. Maybe you have the same application but you need to run it in arm or riscv architecture. For this we can use the buildx plugin from docker https://github.com/docker/buildx.
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Pushing Cutom Images to Docker Hub using GitHub Actions
Third step is docker/setup-buildx-action configures buildx, which is a Docker CLI plugin that provides enhanced build capabilities.
- How to build multi-architecture Docker images?
What are some alternatives?
build-push-action - GitHub Action to build and push Docker images with Buildx
buildkit - concurrent, cache-efficient, and Dockerfile-agnostic builder toolkit
setup-buildx-action - GitHub Action to set up Docker Buildx
ghaction-docker-meta - GitHub Action to extract metadata (tags, labels) for Docker [Moved to: https://github.com/docker/metadata-action]
checkout - Action for checking out a repo
aws-graviton-getting-started - Helping developers to use AWS Graviton2 and Graviton3 processors which power the 6th and 7th generation of Amazon EC2 instances (C6g[d], M6g[d], R6g[d], T4g, X2gd, C6gn, I4g, Im4gn, Is4gen, G5g, C7g[d][n], M7g[d], R7g[d]).
login-action - GitHub Action to login against a Docker registry
crates.io-index - Registry index for crates.io
CookieCutterD3V - Customized Django Cookiecutter with too useful features
multi-platform-docker-build - Using BuildKit and TARGETPLATFORM for cross-platform Dockerfiles
containerd - An open and reliable container runtime