Dockerfile

# syntax=docker/dockerfile:1.7

FROM maven:3.9.16-eclipse-temurin-21 AS build
WORKDIR /workspace

COPY pom.xml ./
COPY .mvn ./.mvn
COPY mvnw ./

RUN mvn -B -DskipTests dependency:go-offline

COPY src ./src
RUN mvn -B -DskipTests package


FROM eclipse-temurin:21-jre-alpine AS runtime
WORKDIR /app

# Install available security updates and create a non-root user.
RUN apk upgrade --no-cache \
    && addgroup -S loopin \
    && adduser -S loopin -G loopin

COPY --from=build --chown=loopin:loopin \
    /workspace/target/*.jar \
    /app/loopin-api.jar

ENV SERVER_PORT=8080 \
    SPRING_PROFILES_ACTIVE=production \
    JAVA_OPTS=""

EXPOSE 8080

USER loopin

ENTRYPOINT ["sh", "-c", "exec java $JAVA_OPTS -jar /app/loopin-api.jar"]