Add gitlab CI

gitlab-ci.yml

@@ -0,0 +1,57 @@
+variables:
+  REPO_NAME: codeberg.org/librarian/librarian
+  DOCKER_HOST: tcp://docker:2375
+
+stages:
+  - build
+  - buildx
+  - deploy
+
+bin:
+  stage: build
+  needs: []
+  image: golang:latest
+  script:
+    - mkdir -p $GOPATH/src/$(dirname $REPO_NAME)
+    - ln -svf $CI_PROJECT_DIR $GOPATH/src/$REPO_NAME
+    - cd $GOPATH/src/$REPO_NAME
+    - go build -ldflags "-extldflags '-static'" -o $CI_PROJECT_DIR/librarian-linux-amd64
+    - GOARCH=arm64 GOOS=linux go build -ldflags "-extldflags '-static'" -o $CI_PROJECT_DIR/librarian-linux-arm64
+    - GOARCH=amd64 GOOS=openbsd go build -ldflags "-extldflags '-static'" -o $CI_PROJECT_DIR/librarian-openbsd-amd64
+  artifacts:
+    paths:
+        - librarian-linux-amd64
+        - librarian-linux-arm64
+        - librarian-openbsd-amd64
+
+buildx:
+  image: docker:20-git
+  stage: buildx
+  variables:
+    GIT_STRATEGY: none
+  artifacts:
+    paths:
+      - buildx
+    expire_in: 1 hour
+  services:
+    - docker:20-dind
+  script:
+    - export DOCKER_BUILDKIT=1
+    - git clone git://github.com/docker/buildx ./docker-buildx
+    - docker build --platform=local -o . ./docker-buildx
+
+deploy:
+  image: docker:20
+  stage: deploy
+  services:
+    - name: docker:20-dind
+      command: ["--experimental"]
+  before_script:
+    - mkdir -p ~/.docker/cli-plugins
+    - mv buildx ~/.docker/cli-plugins/docker-buildx
+    - docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+  script:
+    - docker login -u $DOCKER_USERNAME -p $DOCKER_ACCESS_TOKEN
+    - docker context create mybuilder
+    - docker buildx create --use --name mybuilder mybuilder
+    - docker buildx build --platform linux/amd64,linux/arm64 --push -t nineteengladespool/librarian:latest .