ci: Add jobs that build the containers

.gitlab-ci.yml

@@ -0,0 +1,37 @@
+stages:
+  - build
+
+.build:
+  stage: build
+  interruptible: true
+  needs: []
+  image:
+    name: moby/buildkit:latest
+    entrypoint: [""]
+  before_script:
+    - mkdir ~/.docker
+    - echo "{\"auths\":{\"$CI_REGISTRY\":{\"username\":\"$CI_REGISTRY_USER\",\"password\":\"$CI_REGISTRY_PASSWORD\"}}}" > ~/.docker/config.json
+  script:
+    - |
+      echo buildctl-daemonless.sh build --progress=plain \
+        --frontend=dockerfile.v0 \
+        --local context=. \
+        --local dockerfile=.\
+        --opt filename=Dockerfile.$CI_JOB_NAME \
+        --output type=image,\"name=$CI_REGISTRY_IMAGE/$CI_JOB_NAME/$CI_COMMIT_REF_SLUG:$CI_COMMIT_SHA,$CI_REGISTRY_IMAGE/$CI_JOB_NAME/$CI_COMMIT_REF_SLUG:${CI_COMMIT_TAG:-latest}\",push=true \
+        --import-cache type=registry,ref=$CI_REGISTRY_IMAGE/$CI_JOB_NAME:buildcache \
+        --export-cache type=registry,ref=$CI_REGISTRY_IMAGE/$CI_JOB_NAME:buildcache,mode=max
+      buildctl-daemonless.sh build --progress=plain \
+        --frontend=dockerfile.v0 \
+        --local context=. \
+        --local dockerfile=.\
+        --opt filename=Dockerfile.$CI_JOB_NAME \
+        --output type=image,\"name=$CI_REGISTRY_IMAGE/$CI_JOB_NAME/$CI_COMMIT_REF_SLUG:$CI_COMMIT_SHA,$CI_REGISTRY_IMAGE/$CI_JOB_NAME/$CI_COMMIT_REF_SLUG:${CI_COMMIT_TAG:-latest}\",push=true \
+        --import-cache type=registry,ref=$CI_REGISTRY_IMAGE/$CI_JOB_NAME:buildcache \
+        --export-cache type=registry,ref=$CI_REGISTRY_IMAGE/$CI_JOB_NAME:buildcache,mode=max
+
+resolver:
+  extends: .build
+
+backend:
+  extends: .build