Dockefile example

Dockefile

# syntax=docker/dockerfile:1
FROM eclipse-temurin:11-jdk-jammy as builder

WORKDIR /app

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

RUN --mount=type=cache,target=/root/.m2/,id=mvn_cache,sharing=locked \
  ./mvnw dependency:resolve --no-transfer-progress --settings /app/.mvn/wrapper/settings.xml

COPY src ./src
COPY .env.example ./.env

RUN --mount=type=cache,target=/root/.m2/,id=mvn_cache,sharing=locked \
  LOG_HOME=/data/log ./mvnw clean package --no-transfer-progress --settings /app/.mvn/wrapper/settings.xml

FROM eclipse-temurin:11-jre

ENV LOG_HOME=/data/logs
VOLUME ["/data/logs"]

RUN mkdir /app
COPY --from=builder /app/target/*.jar /app/app.jar

CMD ["java", "-jar", "/app/app.jar"]

portainer