Dockerfile

FROM maven:3.9.9-eclipse-temurin-17-alpine AS builder

WORKDIR /app

COPY pom.xml .

RUN mvn dependency:go-offline -B

COPY src ./src

RUN mvn clean package -DskipTests

FROM eclipse-temurin:17-jre-alpine

WORKDIR /app

RUN addgroup -S appgroup && adduser -S appuser -G appgroup && \
    mkdir -p /app/logs && \
    chown -R appuser:appgroup /app/logs && \
    touch /app/application.properties && \
    chown appuser:appgroup /app/application.properties

COPY --from=builder /app/target/restapi-0.0.1-SNAPSHOT.jar app.jar
COPY entrypoint.sh /app/entrypoint.sh

RUN chmod +x /app/entrypoint.sh && \
    chown appuser:appgroup /app/entrypoint.sh

USER appuser

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=3s --start-period=60s --retries=5 \
  CMD curl -f http://localhost:8080/api/v1/actuator/health || exit 1

ENV JAVA_OPTS="-XX:+UseContainerSupport -XX:MaxRAMPercentage=75.0 -Djava.security.egd=file:/dev/./urandom"

ENTRYPOINT ["/app/entrypoint.sh"]