add runner platform

.github/workflows/ci.yaml

@@ -12,6 +12,12 @@ jobs:
     permissions:
       contents: read
       packages: write
+    strategy:
+      matrix:
+        platform: [linux/amd64]
+        include:
+          - platform: linux/amd64
+            runner_platform: linux-amd64
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -33,5 +39,6 @@ jobs:
           file: ./src/Dockerfile
           push: true
           tags: ghcr.io/mystdeim/github-runner:${{ github.run_number }}
+          platforms: ${{ matrix.platform }}
           build-args: |
-            BUILD_NUMBER=${{ github.run_number }}
+            RUNNER_PLATFORM=${{ matrix.runner_platform }}

src/Dockerfile

@@ -1,5 +1,6 @@
 FROM debian:stable-slim
 
+ARG RUNNER_PLATFORM=""
 ARG RUNNER_VERSION="2.321.0"
 ARG DEBIAN_FRONTEND=noninteractive
 
@@ -26,10 +27,10 @@ RUN apt-get update && apt-get install -y docker-ce-cli
 
 # Set up the actions runner
 RUN cd /home/docker && mkdir actions-runner && cd actions-runner \
-    && curl -o actions-runner-linux-arm64-${RUNNER_VERSION}.tar.gz -L https://github.com/actions/runner/releases/download/v${RUNNER_VERSION}/actions-runner-linux-arm64-${RUNNER_VERSION}.tar.gz \
-    && tar xzf actions-runner-linux-arm64-${RUNNER_VERSION}.tar.gz
+    && curl -o actions-runner-${RUNNER_PLATFORM}-${RUNNER_VERSION}.tar.gz -L https://github.com/actions/runner/releases/download/v${RUNNER_VERSION}/actions-runner-${RUNNER_PLATFORM}-${RUNNER_VERSION}.tar.gz \
+    && tar xzf actions-runner-${RUNNER_PLATFORM}-${RUNNER_VERSION}.tar.gz
 
-RUN rm /home/docker/actions-runner/actions-runner-linux-arm64-${RUNNER_VERSION}.tar.gz
+RUN rm /home/docker/actions-runner/actions-runner-${RUNNER_PLATFORM}-${RUNNER_VERSION}.tar.gz
 
 # Change ownership to docker user and install dependencies
 RUN chown -R docker /home/docker && /home/docker/actions-runner/bin/installdependencies.sh