prepare a new Github Actions workflow to build and run tests

Author: garaud

.github/workflows/main.yaml

@@ -0,0 +1,23 @@
+name: run-test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  # check the compilation and run tests
+  test-plugin:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build Image
+        run: |
+          docker build -f docker/Dockerfile.ci -t test-plugin .
+
+      - name: Run tests
+        run: |
+          docker run --rm -v $(pwd):/workspace test-plugin

docker/Dockerfile.ci

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+ARG JDK_VERSION=21
+
+FROM gradle:8-jdk${JDK_VERSION} AS test-runner
+
+RUN apt-get update && apt-get install -y dumb-init procps && rm -rf /var/lib/apt/lists/*
+
+# Create a non-root user to run elasticsearch when testing
+RUN useradd -m -u 1001 -s /bin/bash testuser && \
+    usermod -aG sudo testuser
+
+COPY --chown=testuser:testuser . /workspace
+WORKDIR /workspace
+
+USER testuser
+
+# ENV ES_JAVA_OPTS="-Xms1g -Xmx1g -Djava.io.tmpdir=/tmp"
+
+ENTRYPOINT ["/usr/bin/dumb-init", "--"]
+CMD ["./gradlew", "spotlessCheck", "check", "--no-daemon"]