From a87b618d4b7879e99ea53bc3d4ea9ac272f27214 Mon Sep 17 00:00:00 2001
From: Jacobus Geluk <jacobus.geluk@ekgf.org>
Date: Tue, 27 Aug 2024 15:39:20 +0100
Subject: [PATCH] feat(build): adding multi-platform support

---
 .github/workflows/build.yml | 39 +++++++++++++++++++++++++------------
 Dockerfile                  |  5 ++++-
 localbuild.sh               | 17 ++++++++++------
 3 files changed, 42 insertions(+), 19 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 79bdbc8..063430d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -4,26 +4,41 @@ on:
   push:
     branches: [ master ]
 
+permissions: read-all
+
 jobs:
   build:
     runs-on: ubuntu-latest
-    permissions:
-      packages: write
+    permissions: write-all
     steps:
-
-      - name: Checkout ekgf/gloud-terraform
+      -
+        name: Checkout ekgf/gloud-terraform
         uses: actions/checkout@v4
-
-      - name: set-env
+      -
+        name: set-env
         run: |
           echo "FQ_IMAGE_NAME=${{ vars.FQ_IMAGE_NAME }}" >> $GITHUB_ENV
           echo "VERSION=$(< ./VERSION)" >> $GITHUB_ENV
-
-      - name: Build and push Docker images
-        uses: docker/build-push-action@v3
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          platforms: linux/amd64,linux/arm64
+      -
+        name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: Build and push Docker images
+        uses: docker/build-push-action@v6
         with:
-          #
-          # TODO: Get the version number from a file (for instance localbuild.sh) or "/VERSION"
-          #
           tags: ${{ env.FQ_IMAGE_NAME }}:latest, ${{ env.FQ_IMAGE_NAME }}:${{ env.VERSION }}
           pull: true
+          push: true
+          platforms: linux/amd64,linux/arm64
diff --git a/Dockerfile b/Dockerfile
index bbdcf31..d83b7ac 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:12-slim as downloader
+FROM debian:12-slim AS downloader
 LABEL maintainer="EKGF <info@ekgf.org>"
 
 ARG TERRAFORM_VERSION="1.9.5"
@@ -25,6 +25,9 @@ RUN name="terraform-provider-sops_${TERRAFORM_SOPS_VERSION}" && \
 #
 FROM gcr.io/cloud-builders/gcloud:latest
 LABEL maintainer="EKGF <info@ekgf.org>"
+LABEL org.opencontainers.image.source="https://github.com/EKGF/gcloud-terraform"
+LABEL org.opencontainers.image.description="Terraform Cloud Builder. This builder can be used to run the terraform tool in the GCE environment."
+LABEL org.opencontainers.image.licenses=MIT
 
 #
 # Current user is root with home /root
diff --git a/localbuild.sh b/localbuild.sh
index 4c3ecbc..9687c8e 100755
--- a/localbuild.sh
+++ b/localbuild.sh
@@ -1,13 +1,18 @@
 #!/usr/bin/env bash
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)"
-_IMAGE_NAME="ghcr.io/ekgf/gcloud-terraform"
-_IMAGE_VERSION="latest"
-_MANUALLY_INCREMENTED_IMAGE_VERSION="0.0.7"
+_IMAGE_NAME="$(< IMAGE_NAME)"
+_IMAGE_VERSION="$(< VERSION)"
 
 cd "${SCRIPT_DIR}" || exit 1
 
-docker build . \
+# Create a parallel multi-platform builder
+docker buildx create --name mybuilder --use
+# Make "buildx" the default
+docker buildx install
+# Build for multiple platforms
+docker build \
   --iidfile=.image-id \
-  "--tag=${_IMAGE_NAME}:${_IMAGE_VERSION}" \
-  "--tag=${_IMAGE_NAME}:${_MANUALLY_INCREMENTED_IMAGE_VERSION}"
+  --platform linux/amd64,linux/arm64 \
+  "--tag=${_IMAGE_NAME}:latest" \
+  "--tag=${_IMAGE_NAME}:${_IMAGE_VERSION}" .
 exit $?