Dockerfile

FROM maven:3.9.9-eclipse-temurin-21 AS build

WORKDIR /app

COPY pom.xml .

RUN mvn dependency:go-offline -B

COPY src ./src

RUN mvn clean package -DskipTests -B


FROM eclipse-temurin:21-jre-alpine

WORKDIR /app

RUN apk add --no-cache curl && \
    addgroup -S spring && \
    adduser -S spring -G spring

COPY --from=build /app/target/*.jar app.jar

RUN chown spring:spring app.jar

USER spring:spring

EXPOSE 8080

ENV SPRING_PROFILES_ACTIVE=prod
ENV JAVA_TOOL_OPTIONS="-Xms128m -Xmx384m"

HEALTHCHECK \
    --interval=30s \
    --timeout=5s \
    --start-period=40s \
    --retries=3 \
    CMD curl --fail --silent http://localhost:8080/actuator/health/readiness || exit 1

ENTRYPOINT ["java", "-jar", "app.jar"]