feat: add multiarch image and simplify ci

Author: matifali

.github/workflows/ci.yaml

@@ -30,20 +30,8 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Echo Go Cache Paths
-        id: go-cache-paths
-        run: |
-          echo "GOCACHE=$(go env GOCACHE)" >> ${{ runner.os == 'Windows' && '$env:' || '$' }}GITHUB_OUTPUT
-          echo "GOMODCACHE=$(go env GOMODCACHE)" >> ${{ runner.os == 'Windows' && '$env:' || '$' }}GITHUB_OUTPUT
-
-      - name: Go Build Cache
-        uses: actions/cache@v3
-        with:
-          path: ${{ steps.go-cache-paths.outputs.GOCACHE }}
-          key: ${{ runner.os }}-go-build-${{ hashFiles('**/go.**', '**.go') }}
-
-      # Install Go!
-      - uses: actions/setup-go@v5
+      - name: Setup Go
+        uses: actions/setup-go@v5
         with:
           go-version: "~1.22"
 

.github/workflows/release.yaml

@@ -19,47 +19,29 @@ jobs:
     name: Build and publish
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout
+        uses: actions/checkout@v4
 
-      - name: Echo Go Cache Paths
-        id: go-cache-paths
-        run: |
-          echo "GOCACHE=$(go env GOCACHE)" >> ${{ runner.os == 'Windows' && '$env:' || '$' }}GITHUB_OUTPUT
-          echo "GOMODCACHE=$(go env GOMODCACHE)" >> ${{ runner.os == 'Windows' && '$env:' || '$' }}GITHUB_OUTPUT
-
-      - name: Go Build Cache
-        uses: actions/cache@v3
-        with:
-          path: ${{ steps.go-cache-paths.outputs.GOCACHE }}
-          key: ${{ runner.os }}-go-build-${{ hashFiles('**/go.**', '**.go') }}
-
-      - uses: actions/setup-go@v5
+      - name: Setup Go
+        uses: actions/setup-go@v5
         with:
           go-version: "~1.22"
 
       - name: Get Version
         run: echo "version=$(./scripts/version.sh)" >> $GITHUB_OUTPUT
         id: version
 
-      - name: Build
-        run: ./scripts/build.sh
-
       - name: Docker Login
         uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Push Image
-        run: |
-          VERSION=$(./scripts/version.sh)
-          BASE=ghcr.io/coder/coder-logstream-kube
-          IMAGE=$BASE:$VERSION
-          docker tag coder-logstream-kube:latest $IMAGE
-          docker tag coder-logstream-kube:latest $BASE:latest
-          docker push $IMAGE
-          docker push $BASE:latest
+      - name: Build and Push Docker Image
+        run: ./scripts/build.sh
+        env:
+          CI: true
 
       - name: Authenticate to Google Cloud
         uses: google-github-actions/auth@v2

.gitignore

@@ -1,2 +1,2 @@
-coder-logstream-kube
+coder-logstream-kube-*
 build

scripts/Dockerfile

@@ -1,5 +1,4 @@
-FROM scratch
-
-COPY ./coder-logstream-kube /coder-logstream-kube
-
-ENTRYPOINT ["/coder-logstream-kube"]
+FROM --platform=$BUILDPLATFORM scratch AS base
+ARG TARGETARCH
+COPY ./coder-logstream-kube-${TARGETARCH} /coder-logstream-kube
+ENTRYPOINT ["/coder-logstream-kube"]

scripts/build.sh

@@ -1,7 +1,44 @@
 #!/usr/bin/env bash
 
-cd $(dirname "${BASH_SOURCE[0]}")
+cd "$(dirname "${BASH_SOURCE[0]}")"
 set -euxo pipefail
 
-CGO_ENABLED=0 go build -ldflags "-s -w" -o ./coder-logstream-kube ../
-docker build -t coder-logstream-kube:latest .
+# Set CI to false if not set
+CI=${CI:-false}
+
+# Get current architecture
+current=$(go env GOARCH)
+# Arhcitectures to build for
+archs=(amd64 arm64 arm)
+
+# build for all architectures
+for arch in "${archs[@]}"; do
+    echo "Building for $arch"
+    GOARCH=$arch GOOS=linux CGO_ENABLED=0 go build -ldflags "-s -w" -o ./coder-logstream-kube-"$arch" ../
+done
+
+# We have to use docker buildx to tag multiple images with
+# platforms tragically, so we have to create a builder.
+BUILDER_NAME="coder-logstream-kube"
+BUILDER_EXISTS=$(docker buildx ls | grep $BUILDER_NAME || true)
+
+# If builder doesn't exist, create it
+if [ -z "$BUILDER_EXISTS" ]; then
+    echo "Creating dockerx builder $BUILDER_NAME..."
+    docker buildx create --use --platform=linux/arm64,linux/amd64,linux/arm/v7 --name $BUILDER_NAME
+else
+    echo "Builder $BUILDER_NAME already exists. Using it."
+fi
+
+# Ensure the builder is bootstrapped and ready to use
+docker buildx inspect --bootstrap &>/dev/null
+
+# Build
+if [ "$CI" = "false" ]; then
+    docker buildx build --platform linux/"$current" -t coder-logstream-kube --load .
+else
+    VERSION=$(../scripts/version.sh)
+    BASE=ghcr.io/coder/coder-logstream-kube
+    IMAGE=$BASE:$VERSION
+    docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 -t "$IMAGE" -t $BASE:latest --push.
+fi