Обновлёна логика построения production image, используем только scratch, без alpine linux

.gitlab-ci.yml

@@ -1,46 +1,87 @@
+# Предполагается, что между работой "build docker container" и этапом push
+# построенные docker images остаются статичными и никуда не пропадают
+#
+# В противном случае их нужно после каждого этапа билда пушить в registry
+
 stages:
-    - test
+  - test
-    - build
+  - build
-    - push
+  - build_docker_image
+  - push
+  - cleanup
 
 variables:
-    CONTAINER_IMAGE: registry.ely.by/elyby/skinsystem
+  CONTAINER_IMAGE: registry.ely.by/elyby/skinsystem
+
+.golang_template: &setup_go_environment
+  image: golang:1.8.3-stretch
+  before_script:
+    - mkdir -p $GOPATH/src/$CI_PROJECT_NAMESPACE
+    - cp -r $(pwd) $GOPATH/src/$CI_PROJECT_PATH
+    - cd $GOPATH/src/$CI_PROJECT_PATH
+    - go get -u github.com/golang/dep/cmd/dep
+    - $GOPATH/bin/dep ensure
+
+.docker_template: &setup_docker_environment
+  image: docker:latest
+  variables:
+    GIT_STRATEGY: none
+  before_script:
+    - docker login -u gitlab-ci -p $CI_BUILD_TOKEN registry.ely.by
+    - export TEMP_IMAGE_NAME="$CONTAINER_IMAGE:$CI_PIPELINE_ID"
 
 test:
-    image: golang:1.8.3-stretch
+  <<: *setup_go_environment
-    stage: test
+  stage: test
-    script:
+  script:
-        - mkdir -p $GOPATH/src/$CI_PROJECT_NAMESPACE
+    - ./script/coverage
-        - cp -r $(pwd) $GOPATH/src/$CI_PROJECT_PATH
-        - cd $GOPATH/src/$CI_PROJECT_PATH
-        - go get -u github.com/golang/dep/cmd/dep
-        - $GOPATH/bin/dep ensure
-        - ./script/coverage
 
-build:
+build executable:
-    image: docker:latest
+  <<: *setup_go_environment
-    stage: build
+  stage: build
-    before_script:
+  script:
-        - docker login -u gitlab-ci -p $CI_BUILD_TOKEN registry.ely.by
+    - env GOOS=linux go build -o $CI_PROJECT_DIR/minecraft-skinsystem main.go
-    script:
+  artifacts:
-        - export IMAGE_NAME="$CONTAINER_IMAGE:dev"
+    name: "${CI_JOB_STAGE} executable"
-        - docker build --pull -t $IMAGE_NAME .
+    paths:
-        - docker push $IMAGE_NAME
+      - $CI_PROJECT_DIR/minecraft-skinsystem
-    only:
+    expire_in: 1 day
-        - develop
 
-push_tags:
+build docker image:
-    image: docker:latest
+  <<: *setup_docker_environment
-    stage: push
+  stage: build_docker_image
-    variables:
+  script:
-        GIT_STRATEGY: none
+    - docker build -t $TEMP_IMAGE_NAME .
-    before_script:
+  only:
-        - docker login -u gitlab-ci -p $CI_BUILD_TOKEN registry.ely.by
+    - tags
-    script:
+    - develop
-        - export IMAGE_NAME="$CONTAINER_IMAGE:$CI_BUILD_TAG"
+
-        - docker tag $CONTAINER_IMAGE:dev $CONTAINER_IMAGE:latest
+push dev:
-        - docker tag $CONTAINER_IMAGE:latest $IMAGE_NAME
+  <<: *setup_docker_environment
-        - docker push $IMAGE_NAME
+  stage: push
-        - docker push $CONTAINER_IMAGE:latest
+  script:
-    only:
+    - export IMAGE_NAME="$CONTAINER_IMAGE:dev"
-        - tags
+    - docker tag $TEMP_IMAGE_NAME $IMAGE_NAME
+    - docker push $IMAGE_NAME
+  only:
+    - develop
+
+push tag:
+  <<: *setup_docker_environment
+  stage: push
+  script:
+    - export IMAGE_NAME="$CONTAINER_IMAGE:$CI_BUILD_TAG"
+    - export LATEST_IMAGE_NAME="$CONTAINER_IMAGE:latest"
+    - docker tag $TEMP_IMAGE_NAME $IMAGE_NAME
+    - docker tag $TEMP_IMAGE_NAME $LATEST_IMAGE_NAME
+    - docker push $IMAGE_NAME
+    - docker push $LATEST_IMAGE_NAME
+  only:
+    - tags
+
+cleanup temp image:
+  <<: *setup_docker_environment
+  stage: cleanup
+  when: always
+  script:
+    - docker rmi $TEMP_IMAGE_NAME

Dockerfile

@@ -1,32 +1,6 @@
-FROM golang:1.9-alpine
+FROM scratch
 
-RUN mkdir -p /go/src/elyby/minecraft-skinsystem \
+COPY ./minecraft-skinsystem /app/
-             /go/src/elyby/minecraft-skinsystem/data/capes \
- && ln -s /go/src/elyby/minecraft-skinsystem /go/src/app
 
-WORKDIR /go/src/app
+ENTRYPOINT ["/app/minecraft-skinsystem"]
-
-COPY ./Gopkg.* /go/src/app/
-COPY ./main.go /go/src/app/
-COPY ./bootstrap /go/src/app/bootstrap
-COPY ./cmd /go/src/app/cmd
-COPY ./daemon /go/src/app/daemon
-COPY ./db /go/src/app/db
-COPY ./model /go/src/app/model
-COPY ./repositories /go/src/app/repositories
-COPY ./ui /go/src/app/ui
-COPY ./utils /go/src/app/utils
-
-RUN apk add --no-cache git \
- && go get -u github.com/golang/dep/cmd/dep \
- && dep ensure \
- && go clean -i github.com/golang/dep \
- && rm -rf $GOPATH/src/github.com/golang/dep \
- && apk del git \
- && go build main.go \
- && mv main /usr/local/bin/minecraft-skinsystem
-
-EXPOSE 80
-
-ENTRYPOINT ["minecraft-skinsystem"]
 CMD ["serve"]

Dockerfile-dev

@@ -0,0 +1,23 @@
+FROM golang:1.9-alpine
+
+RUN mkdir -p /go/src/elyby/minecraft-skinsystem \
+             /go/src/elyby/minecraft-skinsystem/data/capes \
+ && ln -s /go/src/elyby/minecraft-skinsystem /go/src/app
+
+WORKDIR /go/src/app
+
+COPY ./ /go/src/app/
+
+RUN apk add --no-cache git \
+ && go get -u github.com/golang/dep/cmd/dep \
+ && dep ensure \
+ && go clean -i github.com/golang/dep \
+ && rm -rf $GOPATH/src/github.com/golang/dep \
+ && apk del git \
+ && go build main.go \
+ && mv main /usr/local/bin/minecraft-skinsystem
+
+EXPOSE 80
+
+ENTRYPOINT ["minecraft-skinsystem"]
+CMD ["serve"]