setup coverate report generation

Dockerfile.coverage.simple

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+FROM maven:3.8.6-openjdk-8
+
+WORKDIR /app
+
+# Copy pom.xml and source files
+COPY pom.xml .
+COPY src ./src
+
+# Run tests with coverage
+RUN mvn clean test
+
+# Generate coverage report
+RUN mvn jacoco:report
+
+# Show the coverage report location
+RUN echo "Coverage report is available in target/site/jacoco/"