Add multi-arch builds

.drone.yml

@@ -1,28 +1,87 @@
-platform: ${platform}
+kind: pipeline
+name: test
 
 workspace:
-  base: /go
+  base: /go/src/dockron
 
-pipeline:
-  build:
-    image: golang:1.10
+steps:
+  - name: build
+    image: golang:1.11
     commands:
-      - go version
-      - go env
       - go get -u github.com/golang/dep/cmd/dep
       - make build
-  # publish:
-  #   image: plugins/docker:${docker_tag}
-  #   repo: iamthefij/dockron
-  #   secrets:
-  #     - docker_username
-  #     - docker_password
-  #   tag:
-  #     - ${docker_tag}
-
-matrix:
-  include:
-    - platform: linux/amd64
-      docker_tag: latest
-    # - platform: linux/arm
-    #   docker_tag: linux-arm
+
+---
+kind: pipeline
+name: publish
+
+depends_on:
+  - test
+
+trigger:
+  event:
+    - push
+    - tag
+  refs:
+    - refs/heads/master
+    - refs/tags/v*
+
+workspace:
+  base: /go/src/dockron
+
+steps:
+  - name: build
+    image: golang:1.11
+    commands:
+      - go get -u github.com/golang/dep/cmd/dep
+      - make build-all-static
+
+  - name: push image - arm
+    image: plugins/docker
+    settings:
+      repo: iamthefij/dockron
+      auto_tag: true
+      auto_tag_suffix: linux-arm
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      build_args:
+        - ARCH=arm
+        - REPO=arm32v6
+
+  - name: push image - arm64
+    image: plugins/docker
+    settings:
+      repo: iamthefij/dockron
+      auto_tag: true
+      auto_tag_suffix: linux-arm64
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      build_args:
+        - ARCH=arm
+        - REPO=arm32v6
+
+  - name: push image - amd64
+    image: plugins/docker
+    settings:
+      repo: iamthefij/dockron
+      auto_tag: true
+      auto_tag_suffix: linux-amd64
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+
+  - name: publish manifest
+    image: plugins/manifest
+    settings:
+      spec: manifest.tmpl
+      auto_tag: true
+      ignore_missing: true
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password

.gitignore

@@ -26,5 +26,6 @@ _testmain.go
 
 # Output
 dockron
+dockron-linux-*
 # deps
 vendor/

Dockerfile

@@ -1,16 +1,21 @@
-FROM golang:1.10 AS builder
+ARG REPO=library
+# FROM golang:1.11-alpine AS builder
+#
+# RUN apk add --no-cache git
+# RUN go get -u github.com/golang/dep/cmd/dep
+#
+# WORKDIR /go/src/app/
+# COPY ./Gopkg.* /go/src/app/
+# RUN dep ensure --vendor-only
+#
+# COPY ./main.go /go/src/app/
+#
+# RUN CGO_ENABLED=0 GOOS=linux GOARCH=${ARCH} go build -a -installsuffix nocgo -o dockron .
 
-RUN go get -u github.com/golang/dep/cmd/dep
-
-WORKDIR /go/src/app/
-COPY ./Gopkg.* /go/src/app/
-RUN dep ensure --vendor-only
-
-COPY ./main.go /go/src/app/
-RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix nocgo -o dockron .
-
-FROM busybox:latest
+FROM ${REPO}/busybox:latest
 WORKDIR /root/
-COPY --from=builder /go/src/app/dockron .
+# COPY --from=builder /go/src/app/dockron .
+ARG ARCH=amd64
+COPY ./dockron-linux-${ARCH} ./dockron
 
 CMD [ "./dockron" ]

Makefile

@@ -1,4 +1,4 @@
-DOCKER_TAG ?= dockron-dev
+DOCKER_TAG ?= dockron-dev-${USER}
 
 .PHONY: default
 default: build
@@ -20,6 +20,18 @@ dockron: vendor
 .PHONY: build
 build: dockron
 
+dockron-linux-amd64: vendor
+	GOARCH=amd64 CGO_ENABLED=0 GOOS=linux go build -a -installsuffix nocgo -o dockron-linux-amd64
+
+dockron-linux-arm: vendor
+	GOARCH=arm CGO_ENABLED=0 GOOS=linux go build -a -installsuffix nocgo -o dockron-linux-arm
+
+dockron-linux-arm64: vendor
+	GOARCH=arm64 CGO_ENABLED=0 GOOS=linux go build -a -installsuffix nocgo -o dockron-linux-arm64
+
+.PHONY: build-all-static
+build-all-static: dockron-linux-amd64 dockron-linux-arm dockron-linux-arm64
+
 # Cleans all build artifacts
 .PHONY: clean
 clean:
@@ -37,8 +49,26 @@ dep-update:
 
 .PHONY: docker-build
 docker-build:
-	docker build -t $(DOCKER_TAG) .
+	docker build . -t ${DOCKER_TAG}-linux-amd64
+
+# Cross build for arm architechtures
+.PHONY: docker-cross-build-arm
+docker-cross-build-arm:
+	docker build --build-arg REPO=arm32v6 --build-arg ARCH=arm . -t ${DOCKER_TAG}-linux-arm
+
+.PHONY: docker-cross-build-arm
+docker-cross-build-arm64:
+	docker build --build-arg REPO=arm64v8 --build-arg ARCH=arm64 . -t ${DOCKER_TAG}-linux-arm64
 
 .PHONY: docker-run
-docker-run:
-	docker run --rm -v /var/run/docker.sock:/var/run/docker.sock --name $(DOCKER_TAG)-run $(DOCKER_TAG)
+docker-run: docker-build
+	docker run --rm -v /var/run/docker.sock:/var/run/docker.sock --name $(DOCKER_TAG)-run $(DOCKER_TAG)-linux-amd64
+
+# Cross run on host architechture
+.PHONY: docker-cross-run-arm
+docker-cross-run-arm: docker-cross-build-arm
+	docker run --rm -v /var/run/docker.sock:/var/run/docker.sock --name $(DOCKER_TAG)-run ${DOCKER_TAG}-linux-arm
+
+.PHONY: docker-cross-run-arm64
+docker-cross-run-arm64: docker-cross-build-arm64
+	docker run --rm -v /var/run/docker.sock:/var/run/docker.sock --name $(DOCKER_TAG)-run ${DOCKER_TAG}-linux-arm64

manifest.tmpl

@@ -0,0 +1,25 @@
+image: iamthefij/dockron:{{#if build.tag}}{{trimPrefix "v" build.tag}}{{else}}latest{{/if}}
+{{#if build.tags}}
+tags:
+{{#each build.tags}}
+  - {{this}}
+{{/each}}
+{{/if}}
+manifests:
+  -
+    image: iamthefij/dockron:{{#if build.tag}}{{trimPrefix "v" build.tag}}-{{/if}}linux-amd64
+    platform:
+      architecture: amd64
+      os: linux
+  -
+    image: iamthefij/dockron:{{#if build.tag}}{{trimPrefix "v" build.tag}}-{{/if}}linux-arm64
+    platform:
+      architecture: arm64
+      os: linux
+      variant: v8
+  -
+    image: iamthefij/dockron:{{#if build.tag}}{{trimPrefix "v" build.tag}}-{{/if}}linux-arm
+    platform:
+      architecture: arm
+      os: linux
+      variant: v7