Dockerfile

# Build stage
FROM maven:3.9.9-eclipse-temurin-17-alpine AS build
WORKDIR /app

# Copy pom.xml and download dependencies
COPY pom.xml .
COPY custom_check.xml .
RUN mvn dependency:go-offline -B

# Copy source code and build
COPY src ./src
RUN mvn clean package -DskipTests -B

# Runtime stage
FROM eclipse-temurin:17-jre-alpine
WORKDIR /app

# Copy the built jar from build stage
COPY --from=build /app/target/*.jar app.jar

# Expose the application port
EXPOSE 8080

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost:8080/api/v1/actuator/health || exit 1

# Run the application
ENTRYPOINT ["java", "-XX:+UseContainerSupport", "-XX:MaxRAMPercentage=75.0", "-Djava.security.egd=file:/dev/./urandom", "-jar", "app.jar"]