java-path-spring-cloud-standalone-showcase/dockerfile-service at main · codehub-learn/java-path-spring-cloud-standalone-showcase · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
#########################################################################################################
# Stage 1: Build, package and export layers stage
FROM maven:3.9-amazoncorretto-25-alpine AS builder
LABEL maintainter="Code.Learn <c.giannacoulis@codehub.gr>"

ENV HOME=/home/app
WORKDIR $HOME
ADD . $HOME

RUN --mount=type=cache,target=/root/.m2 mvn -f $HOME/pom.xml clean package -Pproduction -DskipTests


#########################################################################################################
# Stage 2: Optimization/Layers stage
FROM bellsoft/liberica-runtime-container:jdk-25-slim-musl AS optimizer
LABEL maintainter="Code.Learn <c.giannacoulis@codehub.gr>"

WORKDIR /home/app

ARG JAR_FILE=/home/app/tom-engine-core-service.jar
COPY --from=builder /home/app/tom-engine/tom-engine-core/target/*.jar ${JAR_FILE}

RUN java -Djarmode=tools -jar ${JAR_FILE} extract --layers --launcher --destination /home/app/extracted-layers


#########################################################################################################
# Stage 3: Runtime stage
FROM bellsoft/liberica-runtime-container:jre-25-slim-musl AS runtime
LABEL maintainter="Code.Learn <c.giannacoulis@codehub.gr>"

WORKDIR /home/app

COPY --from=optimizer /home/app/extracted-layers/dependencies/ ./
COPY --from=optimizer /home/app/extracted-layers/spring-boot-loader/ ./
COPY --from=optimizer /home/app/extracted-layers/snapshot-dependencies/ ./
COPY --from=optimizer /home/app/extracted-layers/application/ ./

EXPOSE 80/tcp

ENTRYPOINT ["java", "-XX:+AlwaysActAsServerClassMachine", \
                    "-XX:+UnlockExperimentalVMOptions", \
					"org.springframework.boot.loader.launch.JarLauncher"]