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GitLab: automated build and publish of multi-platform container image with GitLab pipeline


Categories: Containers, DevOps

GitLab CI/CD pipelines can be used to automatically build and push Docker images to the GitLab Container Registry. Beyond building a simple image, in this article I will show how to define a workflow that builds and pushes a multi-platform image (amd64,arm64,arm32) with manifest index to the GitLab Container Registry.  This is enabled by using … GitLab: automated build and publish of multi-platform container image with GitLab pipeline

Github: automated build and publish of multi-platform container image with Github Actions


Categories: Containers, DevOps

Github Actions provide the ability to define a build workflow based on Github repository events.  The workflow steps are defined as yaml and can be triggered by various events, including a code push, branch, or tagging in the repository. In this article, I will show how to define workflow steps that build and push a … Github: automated build and publish of multi-platform container image with Github Actions

Docker: building multi-platform images that use fat manifest list/index


Categories: Containers, Development

Docker can build multi-platform images that use a manifest index (fat manifest list) by using the Docker buildx command with backing containerd runtime and QEMU for cross-platform emulation. Using a manifest index for multi-platform images simplifies application level orchestration by using the same name and version for all architectures.  For example: # same image name … Docker: building multi-platform images that use fat manifest list/index

Github: automated build and publish of containerized GoLang app with Github Actions


Categories: Containers, Development

Github Actions provide the ability to define a build workflow based on Github repository events.  The workflow steps are defined as yaml and can be triggered by various events, including a code push, branch, or tagging in the repository. In this article I will detail the steps of creating a statically-linked GoLang binary that when … Github: automated build and publish of containerized GoLang app with Github Actions

Github: automated build and publish of containerized Spring Boot app using GitHub Actions


Categories: Containers, Development, Java

Github Actions provide the ability to define a build workflow directly in Github.  The workflow steps are defined as yaml and can be triggered by various events, including a code push, branch, or tagging in the repository. In this article I will detail the steps of creating a simple Spring Boot web application that when … Github: automated build and publish of containerized Spring Boot app using GitHub Actions

Java: build OCI compatible image for Spring Boot web app using jib


Categories: Containers, Java, Kubernetes

While working on your Spring Boot web application locally, gradle provides the ‘bootRun’ for a quick development lifecycle and ‘bootJar’ for packaging all the dependencies as a single jar deliverable. But for most applications these days, you will need this packaged into an OCI compatible (i.e. Docker) image for its ultimate deployment to an orchestrator … Java: build OCI compatible image for Spring Boot web app using jib