From 798f435951d382bff51ec794ecd492a38d66f6b8 Mon Sep 17 00:00:00 2001
From: Fabian Schmitt <21021337+fabian-schmitt@users.noreply.github.com>
Date: Mon, 14 Sep 2026 15:07:57 +0200
Subject: [PATCH 1/3] feat(ci): add workflow to build and publish container
 image on GHCR

---
 .github/workflows/build-capstk-container.yml | 44 ++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 .github/workflows/build-capstk-container.yml

diff --git a/.github/workflows/build-capstk-container.yml b/.github/workflows/build-capstk-container.yml
new file mode 100644
index 0000000..f50df48
--- /dev/null
+++ b/.github/workflows/build-capstk-container.yml
@@ -0,0 +1,44 @@
+name: build-CAPSTK-container
+ 
+on:
+  push:
+    branches: [main]
+    tags: ["v*"]
+ 
+permissions:
+  contents: read
+  packages: write
+ 
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+ 
+      - uses: docker/setup-buildx-action@v3
+ 
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+ 
+      - id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=sha
+ 
+      - uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+ 
\ No newline at end of file

From 39be09f302642f9fd9d40afdfb9f4a7412d7076f Mon Sep 17 00:00:00 2001
From: Fabian Schmitt <21021337+fabian-schmitt@users.noreply.github.com>
Date: Mon, 14 Sep 2026 15:38:02 +0200
Subject: [PATCH 2/3] feat(dockerfile): cross-compile builder stage

---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 5f13ee5..c90623c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM golang:1.26 AS builder
+FROM --platform=$BUILDPLATFORM golang:1.26 AS builder
 ARG TARGETOS
 ARG TARGETARCH
 

From 7857d1a07ab9b3d1fc6b559067a6fb302e64005a Mon Sep 17 00:00:00 2001
From: Jan Larwig <jan.larwig@digits.schwarz>
Date: Tue, 15 Sep 2026 09:57:34 +0200
Subject: [PATCH 3/3] ci: fix pipeline name

Signed-off-by: Jan Larwig <jan.larwig@digits.schwarz>
---
 .../{build-capstk-container.yml => build-container-image.yml}  | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
 rename .github/workflows/{build-capstk-container.yml => build-container-image.yml} (96%)

diff --git a/.github/workflows/build-capstk-container.yml b/.github/workflows/build-container-image.yml
similarity index 96%
rename from .github/workflows/build-capstk-container.yml
rename to .github/workflows/build-container-image.yml
index f50df48..bf3815d 100644
--- a/.github/workflows/build-capstk-container.yml
+++ b/.github/workflows/build-container-image.yml
@@ -1,4 +1,4 @@
-name: build-CAPSTK-container
+name: Build container image
  
 on:
   push:
@@ -41,4 +41,3 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
- 
\ No newline at end of file