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--- gitlab-ci-multiplatform [2021/01/09 10:07] – [Enable Emulators] baumi
+++ gitlab-ci-multiplatform [2025/09/11 09:43] (current) – removed baumi
@@ Line 1: / Line 1: @@
-====== Gitlab CI MultiPlatform Build ======
-===== Enable binary formats =====
-<code bash>
-$ docker run --rm --privileged tonistiigi/binfmt --install all
-{
-  "supported": [
-    "linux/amd64",
-    "linux/arm64",
-    "linux/riscv64",
-    "linux/ppc64le",
-    "linux/s390x",
-    "linux/386",
-    "linux/arm/v7",
-    "linux/arm/v6"
-  ],
-  "emulators": [
-    "qemu-aarch64",
-    "qemu-arm",
-    "qemu-ppc64le",
-    "qemu-riscv64",
-    "qemu-s390x"
-  ]
-}
-</code>
-===== Create buildx enabled docker image for builds =====
-<file bash Dockerfile>
-ARG BUILDX_VERSION=0.4.2
-ARG DOCKER_VERSION=latest
-FROM alpine AS fetcher
-RUN apk add curl
-ARG BUILDX_VERSION
-RUN curl -L \
-  --output /docker-buildx \
-  "https://github.com/docker/buildx/releases/download/v${BUILDX_VERSION}/buildx-v${BUILDX_VERSION}.linux-amd64"
-RUN chmod a+x /docker-buildx
-ARG DOCKER_VERSION
-FROM docker:${DOCKER_VERSION}
-COPY --from=fetcher /docker-buildx /usr/lib/docker/cli-plugins/docker-buildx
-</file>
-Credits to [[https://github.com/jdrouet|Jérémie Drouet]]
-==== Build & push image ====
-<code bash>
-$ docker build --pull -t registry/docker-with-buildx .
-$ docker push registry/docker-with-buildx
-</code>
-===== Switch to buildx in .gitlab-ci.yml =====
-Define CI_PLATFORMS variable in Settings / CI/CD:
-CI_PLATFORMS = linux/amd64,linux/arm/v7,...
-<file bash .gitlab-ci.yml>
-image: registry/docker-with-buildx
-services:
-  - docker:dind
-build:
-  stage: build
-  script:
-    - docker login -u $CI_USER -p $CI_TOKEN $CI_REGISTRY
-    - docker buildx create --use
-    - docker buildx build --platform $CI_PLATFORMS --push --pull -t $CI_REGISTRY_IMAGE .
-</file>
-{{tag>kb git}}