setup coverate report generation

Dockerfile.coverage

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+# Multi-stage build for code coverage
+FROM maven:3.8.6-openjdk-8 AS builder
+
+# Set working directory
+WORKDIR /app
+
+# Copy pom.xml and src
+COPY pom.xml .
+COPY src ./src
+
+# Build with tests
+RUN mvn clean package -DskipTests=false
+
+# Create a separate stage for running tests with coverage
+FROM maven:3.8.6-openjdk-8
+
+# Set working directory
+WORKDIR /app
+
+# Copy the built project
+COPY --from=builder /app/target/*.war /app/app.war
+
+# Install dependencies for coverage reporting
+RUN apt-get update && apt-get install -y wget unzip
+
+# Create a script to run tests with coverage
+COPY scripts/ .
+
+# Run tests with coverage
+CMD ["mvn", "test"]