using multiple stage build for alpine. (#279)

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

.drone.yml

@@ -31,19 +31,19 @@ pipeline:
       - make misspell-check
       - make fmt-check
 
-  build:
+  build_linux_amd64:
     image: appleboy/golang-testing:1.9
     group: golang
     commands:
       - make docker_build
 
-  arm64:
+  build_linux_arm64:
     image: appleboy/golang-testing:1.9
     group: golang
     commands:
       - make docker_build_arm64
 
-  arm:
+  build_linux_arm:
     image: appleboy/golang-testing:1.9
     group: golang
     commands:
@@ -63,7 +63,6 @@ pipeline:
       - .cover/coverage.txt
     when:
       event: [ push, pull_request ]
-      status: [ success ]
 
   release:
     image: appleboy/golang-testing:1.9
@@ -88,24 +87,24 @@ pipeline:
       branch: [ master ]
       local: false
 
-  publish_linux_armhf:
+  publish_linux_arm:
     image: plugins/docker
     group: publish
     repo: ${DRONE_REPO}
-    tags: [ 'linux-arm' ]
+    tags: [ linux-arm ]
-    dockerfile: Dockerfile.armhf
+    dockerfile: Dockerfile.arm
     secrets: [ docker_username, docker_password ]
     when:
       event: [ push ]
       branch: [ master ]
       local: false
 
-  publish_linux_aarch64:
+  publish_linux_arm64:
     image: plugins/docker
     group: publish
     repo: ${DRONE_REPO}
-    tags: [ 'linux-arm64' ]
+    tags: [ linux-arm64 ]
-    dockerfile: Dockerfile.aarch64
+    dockerfile: Dockerfile.arm64
     secrets: [ docker_username, docker_password ]
     when:
       event: [ push ]
@@ -124,32 +123,6 @@ pipeline:
       branch: [ refs/tags/* ]
       local: false
 
-  publish_tag_linux_armhf:
-    image: plugins/docker
-    group: tag
-    repo: ${DRONE_REPO}
-    tags: [ '${DRONE_TAG}-linux-arm' ]
-    dockerfile: Dockerfile.armhf
-    secrets: [ docker_username, docker_password ]
-    group: release
-    when:
-      event: [ tag ]
-      branch: [ refs/tags/* ]
-      local: false
-
-  publish_tag_linux_aarch64:
-    image: plugins/docker
-    group: tag
-    repo: ${DRONE_REPO}
-    tags: [ '${DRONE_TAG}-linux-arm64' ]
-    dockerfile: Dockerfile.aarch64
-    secrets: [ docker_username, docker_password ]
-    group: release
-    when:
-      event: [ tag ]
-      branch: [ refs/tags/* ]
-      local: false
-
   release_tag:
     image: plugins/github-release
     secrets: [ github_release_api_key ]

Dockerfile

@@ -1,8 +1,22 @@
-FROM centurylink/ca-certs
+FROM alpine:3.6 as alpine
-EXPOSE 8088
+RUN apk add -U --no-cache ca-certificates
+
+FROM scratch
+MAINTAINER Bo-Yi Wi <appleboy.tw@gmail.com>
+
+ENV GODEBUG=netdns=go
+
+COPY --from=alpine /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+
+LABEL org.label-schema.version=latest
+LABEL org.label-schema.vcs-url="https://github.com/appleboy/gorush.git"
+LABEL org.label-schema.name="Gorush"
+LABEL org.label-schema.vendor="Bo-Yi Wu"
+LABEL org.label-schema.schema-version="1.0"
 
 ADD config/config.yml /
 ADD bin/gorush /
 
+EXPOSE 8088
 ENTRYPOINT ["/gorush"]
 CMD ["-c", "config.yml"]

Dockerfile.aarch64

@@ -1,10 +0,0 @@
-FROM centurylink/ca-certs
-ENV GODEBUG=netdns=go
-
-EXPOSE 8088
-
-ADD config/config.yml /
-ADD bin/gorush-arm64 /gorush
-
-ENTRYPOINT ["/gorush"]
-CMD ["-c", "config.yml"]

Dockerfile.arm

@@ -0,0 +1,22 @@
+FROM alpine:3.6 as alpine
+RUN apk add -U --no-cache ca-certificates
+
+FROM scratch
+MAINTAINER Bo-Yi Wi <appleboy.tw@gmail.com>
+
+ENV GODEBUG=netdns=go
+
+COPY --from=alpine /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+
+LABEL org.label-schema.version=latest
+LABEL org.label-schema.vcs-url="https://github.com/appleboy/gorush.git"
+LABEL org.label-schema.name="Gorush"
+LABEL org.label-schema.vendor="Bo-Yi Wu"
+LABEL org.label-schema.schema-version="1.0"
+
+ADD config/config.yml /
+ADD bin/gorush-arm /gorush
+
+EXPOSE 8088
+ENTRYPOINT ["/gorush"]
+CMD ["-c", "config.yml"]

Dockerfile.arm64

@@ -0,0 +1,22 @@
+FROM alpine:3.6 as alpine
+RUN apk add -U --no-cache ca-certificates
+
+FROM scratch
+MAINTAINER Bo-Yi Wi <appleboy.tw@gmail.com>
+
+ENV GODEBUG=netdns=go
+
+COPY --from=alpine /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+
+LABEL org.label-schema.version=latest
+LABEL org.label-schema.vcs-url="https://github.com/appleboy/gorush.git"
+LABEL org.label-schema.name="Gorush"
+LABEL org.label-schema.vendor="Bo-Yi Wu"
+LABEL org.label-schema.schema-version="1.0"
+
+ADD config/config.yml /
+ADD bin/gorush-arm64 /gorush
+
+EXPOSE 8088
+ENTRYPOINT ["/gorush"]
+CMD ["-c", "config.yml"]

Dockerfile.armhf

@@ -1,10 +0,0 @@
-FROM centurylink/ca-certs
-ENV GODEBUG=netdns=go
-
-EXPOSE 8088
-
-ADD config/config.yml /
-ADD bin/gorush-arm /gorush
-
-ENTRYPOINT ["/gorush"]
-CMD ["-c", "config.yml"]

Makefile

@@ -167,6 +167,7 @@ docker_build:
 
 docker_build_arm64:
 	CGO_ENABLED=0 GOOS=linux GOARCH=arm64 $(GO) build -a -tags '$(TAGS)' -ldflags "$(EXTLDFLAGS)-s -w $(LDFLAGS)" -o bin/$(EXECUTABLE)-arm64
+
 docker_build_arm:
 	CGO_ENABLED=0 GOOS=linux GOARCH=arm GOARM=7 $(GO) build -a -tags '$(TAGS)' -ldflags "$(EXTLDFLAGS)-s -w $(LDFLAGS)" -o bin/$(EXECUTABLE)-arm