From c2b0c1d73e1ff60464407cad6aa7585a9fc4735a Mon Sep 17 00:00:00 2001
From: 6543 <6543@obermui.de>
Date: Tue, 21 Dec 2021 16:51:23 +0100
Subject: [PATCH] Multiarch build cli docker images (#634)

---
 .woodpecker/main.yml                   | 34 ++++++++++++++++++++------
 docker/Dockerfile.cli                  | 16 ------------
 docker/Dockerfile.cli.alpine           | 11 ---------
 docker/Dockerfile.cli.alpine.multiarch | 17 +++++++++++++
 docker/Dockerfile.cli.multiarch        | 19 ++++++++++++++
 5 files changed, 62 insertions(+), 35 deletions(-)
 delete mode 100644 docker/Dockerfile.cli
 delete mode 100644 docker/Dockerfile.cli.alpine
 create mode 100644 docker/Dockerfile.cli.alpine.multiarch
 create mode 100644 docker/Dockerfile.cli.multiarch

diff --git a/.woodpecker/main.yml b/.woodpecker/main.yml
index 89368b5c8..03b6f4940 100644
--- a/.woodpecker/main.yml
+++ b/.woodpecker/main.yml
@@ -25,6 +25,8 @@ pipeline:
     image: golang:1.16
     commands:
       - make release-cli
+    when:
+      event: tag
 
   build-deb-rpm:
     group: bundle
@@ -100,13 +102,26 @@ pipeline:
       branch: ${CI_REPO_DEFAULT_BRANCH}
       event: push
 
+  publish-cli-dryrun:
+    group: docker
+    image: woodpeckerci/plugin-docker-buildx
+    settings:
+      dry_run: true
+      repo: woodpeckerci/woodpecker-cli
+      dockerfile: docker/Dockerfile.cli.multiarch
+      platforms: linux/arm/v7,linux/arm64/v8,linux/amd64,linux/ppc64le,windows/amd64,darwin/amd64,darwin/arm64
+      tag: test
+    when:
+      event: pull_request
+
   publish-cli:
     group: docker
-    image: plugins/docker
+    image: woodpeckerci/plugin-docker-buildx
     secrets: [docker_username, docker_password]
     settings:
       repo: woodpeckerci/woodpecker-cli
-      dockerfile: docker/Dockerfile.cli
+      dockerfile: docker/Dockerfile.cli.multiarch
+      platforms: linux/arm/v7,linux/arm64/v8,linux/amd64,linux/ppc64le,windows/amd64,darwin/amd64,darwin/arm64
       tag: next
     when:
       branch: ${CI_REPO_DEFAULT_BRANCH}
@@ -114,11 +129,12 @@ pipeline:
 
   publish-cli-alpine:
     group: docker
-    image: plugins/docker
+    image: woodpeckerci/plugin-docker-buildx
     secrets: [ docker_username, docker_password ]
     settings:
       repo: woodpeckerci/woodpecker-cli
-      dockerfile: docker/Dockerfile.cli.alpine
+      dockerfile: docker/Dockerfile.cli.alpine.multiarch
+      platforms: linux/arm/v7,linux/arm64/v8,linux/amd64,linux/ppc64le
       tag: next-alpine
     when:
       branch: ${CI_REPO_DEFAULT_BRANCH}
@@ -172,22 +188,24 @@ pipeline:
 
   release-cli:
     group: docker
-    image: plugins/docker
+    image: woodpeckerci/plugin-docker-buildx
     secrets: [docker_username, docker_password]
     settings:
       repo: woodpeckerci/woodpecker-cli
-      dockerfile: docker/Dockerfile.cli
+      dockerfile: docker/Dockerfile.cli.multiarch
+      platforms: linux/arm/v7,linux/arm64/v8,linux/amd64,linux/ppc64le,windows/amd64,darwin/amd64,darwin/arm64
       tag: [latest, "${CI_COMMIT_TAG}"]
     when:
       event: tag
 
   release-cli-alpine:
     group: docker
-    image: plugins/docker
+    image: woodpeckerci/plugin-docker-buildx
     secrets: [ docker_username, docker_password ]
     settings:
       repo: woodpeckerci/woodpecker-cli
-      dockerfile: docker/Dockerfile.cli.alpine
+      dockerfile: docker/Dockerfile.cli.alpine.multiarch
+      platforms: linux/arm/v7,linux/arm64/v8,linux/amd64,linux/ppc64le
       tag: [latest-alpine, "${CI_COMMIT_TAG}-alpine"]
     when:
       event: tag
diff --git a/docker/Dockerfile.cli b/docker/Dockerfile.cli
deleted file mode 100644
index ad4e476d4..000000000
--- a/docker/Dockerfile.cli
+++ /dev/null
@@ -1,16 +0,0 @@
-# docker build --rm -f docker/Dockerfile.cli -t woodpeckerci/woodpecker-cli .
-
-# use golang image to copy ssl certs later
-FROM golang:1.16
-
-FROM scratch
-
-# copy certs from golang:1.16 image
-COPY --from=0 /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
-
-ENV GODEBUG=netdns=go
-ADD dist/cli/linux_amd64/woodpecker-cli /bin/
-
-HEALTHCHECK CMD ["/bin/woodpecker-cli", "ping"]
-
-ENTRYPOINT ["/bin/woodpecker-cli"]
diff --git a/docker/Dockerfile.cli.alpine b/docker/Dockerfile.cli.alpine
deleted file mode 100644
index d91ceb63b..000000000
--- a/docker/Dockerfile.cli.alpine
+++ /dev/null
@@ -1,11 +0,0 @@
-# docker build --rm -f docker/Dockerfile.cli.alpine -t woodpeckerci/woodpecker-cli .
-
-FROM alpine:3.14
-RUN apk add -U --no-cache ca-certificates
-
-ENV GODEBUG=netdns=go
-ADD dist/cli/linux_amd64/woodpecker-cli /bin/
-
-HEALTHCHECK CMD ["/bin/woodpecker-cli", "ping"]
-
-ENTRYPOINT ["/bin/woodpecker-cli"]
diff --git a/docker/Dockerfile.cli.alpine.multiarch b/docker/Dockerfile.cli.alpine.multiarch
new file mode 100644
index 000000000..427037858
--- /dev/null
+++ b/docker/Dockerfile.cli.alpine.multiarch
@@ -0,0 +1,17 @@
+FROM --platform=$BUILDPLATFORM golang:1.16 AS build
+
+WORKDIR /src
+COPY . .
+ARG TARGETOS TARGETARCH
+RUN --mount=type=cache,target=/root/.cache/go-build \
+    --mount=type=cache,target=/go/pkg \
+    make build-cli
+
+FROM alpine:3.14
+RUN apk add -U --no-cache ca-certificates
+ENV GODEBUG=netdns=go
+
+COPY --from=build src/dist/woodpecker-cli /bin/
+
+HEALTHCHECK CMD ["/bin/woodpecker-cli", "ping"]
+ENTRYPOINT ["/bin/woodpecker-cli"]
diff --git a/docker/Dockerfile.cli.multiarch b/docker/Dockerfile.cli.multiarch
new file mode 100644
index 000000000..af2dcad11
--- /dev/null
+++ b/docker/Dockerfile.cli.multiarch
@@ -0,0 +1,19 @@
+FROM --platform=$BUILDPLATFORM golang:1.16 AS build
+
+WORKDIR /src
+COPY . .
+ARG TARGETOS TARGETARCH
+RUN --mount=type=cache,target=/root/.cache/go-build \
+    --mount=type=cache,target=/go/pkg \
+    make build-cli
+
+FROM scratch
+ENV GODEBUG=netdns=go
+
+# copy certs from golang:1.16 image
+COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+# copy cli binary
+COPY --from=build src/dist/woodpecker-cli /bin/
+
+HEALTHCHECK CMD ["/bin/woodpecker-cli", "ping"]
+ENTRYPOINT ["/bin/woodpecker-cli"]