Try out multi arch builds

.drone.yml

@@ -1,28 +1,124 @@
-platform: ${platform}
+# kind: pipeline
+# name: build
+#
+# workspace:
+#   base: /go
+#
+# steps:
+#   - name: build
+#     image: golang:1.11
+#     commands:
+#       - go version
+#       - go env
+#       - go get -u github.com/golang/dep/cmd/dep
+#       - make build
 
-workspace:
-  base: /go
+kind: pipeline
+name: linux-amd64
 
-pipeline:
-  build:
-    image: golang:1.10
-    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}
+trigger:
+  event:
+    - push
+    - tag
+  # ref:
+  #   - refs/heads/master
+  #   - refs/tags/v*
 
-matrix:
-  include:
-    - platform: linux/amd64
-      docker_tag: latest
-    # - platform: linux/arm
-    #   docker_tag: linux-arm
+steps:
+
+  - name: build
+    image: plugins/docker
+    settings:
+      repo: iamthefij/multiarch-pipeline-test
+      auto_tag: true
+      auto_tag_suffix: linux-amd64
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+
+---
+kind: pipeline
+name: linux-arm
+
+trigger:
+  event:
+    - push
+    - tag
+  # ref:
+  #   - refs/heads/master
+  #   - refs/tags/v*
+
+steps:
+
+  - name: build
+    image: plugins/docker
+    settings:
+      repo: iamthefij/multiarch-pipeline-test
+      auto_tag: true
+      auto_tag_suffix: linux-arm
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      build_args:
+        - ARCH=arm
+        - REPO=arm32v6
+
+---
+kind: pipeline
+name: linux-arm64
+
+trigger:
+  event:
+    - push
+    - tag
+  # ref:
+  #   - refs/heads/master
+  #   - refs/tags/v*
+
+steps:
+
+  - name: build
+    image: plugins/docker
+    settings:
+      repo: iamthefij/multiarch-pipeline-test
+      auto_tag: true
+      auto_tag_suffix: linux-arm64
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      build_args:
+        - ARCH=arm64
+        - REPO=arm64v8
+
+# ---
+# kind: pipeline
+# name: manifest
+#
+# depends_on:
+#   - linux-amd64
+#   - linux-arm
+#   - linux-arm64
+#
+# trigger:
+#   event:
+#     - push
+#     - tag
+#   ref:
+#     - refs/heads/master
+#     - refs/tags/v*
+#
+# steps:
+#   - 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
+#

Dockerfile

@@ -1,5 +1,7 @@
-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/
@@ -7,9 +9,11 @@ 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
+ARG ARCH=amd64
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=${ARCH} go build -a -installsuffix nocgo -o dockron .
+
+FROM ${REPO}/busybox:latest
 WORKDIR /root/
 COPY --from=builder /go/src/app/dockron .
 

Makefile

@@ -1,4 +1,4 @@
-DOCKER_TAG ?= dockron-dev
+DOCKER_TAG ?= dockron-dev-${USER}
 
 .PHONY: default
 default: build
@@ -37,8 +37,26 @@ 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