Use devcontainer build to run tests (#20212)

* Use devcontainer build to run tests

* Make ignored github changes more restrictive

.github/workflows/pull_request.yml

@@ -4,38 +4,14 @@ on:
   pull_request:
     paths-ignore:
       - "docs/**"
-      - ".github/**"
+      - ".github/*.yml"
+      - ".github/DISCUSSION_TEMPLATE/**"
+      - ".github/ISSUE_TEMPLATE/**"
 
 env:
   DEFAULT_PYTHON: 3.11
 
 jobs:
-  build_devcontainer:
-    runs-on: ubuntu-latest
-    name: Build Devcontainer
-    # The Dockerfile contains features that requires buildkit, and since the
-    # devcontainer cli uses docker-compose to build the image, the only way to
-    # ensure docker-compose uses buildkit is to explicitly enable it.
-    env:
-      DOCKER_BUILDKIT: "1"
-    steps:
-      - uses: actions/checkout@v5
-        with:
-          persist-credentials: false
-      - uses: actions/setup-node@master
-        with:
-          node-version: 20.x
-      - name: Install devcontainer cli
-        run: npm install --global @devcontainers/cli
-      - name: Build devcontainer
-        run: devcontainer build --workspace-folder .
-      # It would be nice to also test the following commands, but for some
-      # reason they don't work even though in VS Code devcontainer works.
-      # - name: Start devcontainer
-      #   run: devcontainer up --workspace-folder .
-      # - name: Run devcontainer scripts
-      #   run: devcontainer run-user-commands --workspace-folder .
-
   web_lint:
     name: Web - Lint
     runs-on: ubuntu-latest
@@ -102,13 +78,18 @@ jobs:
         uses: actions/checkout@v5
         with:
           persist-credentials: false
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-      - name: Build
-        run: make debug
-      - name: Run mypy
-        run: docker run --rm --entrypoint=python3 frigate:latest -u -m mypy --config-file frigate/mypy.ini frigate
-      - name: Run tests
-        run: docker run --rm --entrypoint=python3 frigate:latest -u -m unittest
+      - uses: actions/setup-node@master
+        with:
+          node-version: 20.x
+      - name: Install devcontainer cli
+        run: npm install --global @devcontainers/cli
+      - name: Build devcontainer
+        env:
+          DOCKER_BUILDKIT: "1"
+        run: devcontainer build --workspace-folder .
+      - name: Start devcontainer
+        run: devcontainer up --workspace-folder .
+      - name: Run mypy in devcontainer
+        run: devcontainer exec --workspace-folder . bash -lc "python3 -u -m mypy --config-file frigate/mypy.ini frigate"
+      - name: Run unit tests in devcontainer
+        run: devcontainer exec --workspace-folder . bash -lc "python3 -u -m unittest"