Added test workflow.

Author: Hristo-Nikodimov-Nenkov

.github/workflows/build.yml

@@ -0,0 +1,58 @@
+name: Build and release
+
+env:
+  CI: false
+  IMAGE_TAG: latest
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Determine Docker image tag
+        id: docker_tag
+        run: |
+          IMAGE_NAME="rav3nh01m/micropython_esp-idf:$IMAGE_TAG"
+
+          echo "Checking for image: $IMAGE_NAME"
+
+          if docker pull "$IMAGE_NAME"; then
+            echo "Using tag: $IMAGE_TAG"
+          else
+            echo "Tag not found. Falling back to latest."
+            IMAGE_TAG="latest"
+            docker pull "rav3nh01m/micropython_esp-idf:latest"
+          fi
+
+          echo "image_tag=$IMAGE_TAG" >> $GITHUB_OUTPUT
+
+      - name: Get runner UID and GID
+        id: runner_ids
+        run: |
+          echo "uid=$(id -u)" >> "$GITHUB_OUTPUT"
+          echo "gid=$(id -g)" >> "$GITHUB_OUTPUT"
+
+      - name: Run MicroPython build container
+        run: |
+          docker run --rm \
+            -e HOST_UID=${{ steps.runner_ids.outputs.uid }} \
+            -e HOST_GID=${{ steps.runner_ids.outputs.gid }} \
+            -e PROJECT_DIR=/project \
+            -e PORT=${{ vars.PORT }} \
+            -e BOARD=${{ vars.BOARD }} \
+            -e FREEZE_BOOT=${{ vars.FREEZE_BOOT }} \
+            -e FREEZE_MAIN=${{ vars.FREEZE_MAIN }} \
+            -v "$PWD:/project" \
+            rav3nh01m/micropython:${{ steps.docker_tag.outputs.image_tag }}