#58 feat: Dockerfile 작성

backend/Dockerfile

@@ -0,0 +1,15 @@
+FROM eclipse-temurin:17-jdk-alpine as builder
+WORKDIR /workspace/app
+COPY ./ ./
+
+RUN --mount=type=cache,target=/root/.gradle ./gradlew clean bootJar
+RUN mkdir build/extracted && (java -Djarmode=layertools -jar build/libs/*.jar extract --destination build/extracted)
+
+FROM eclipse-temurin:17-jdk-alpine
+VOLUME /tmp
+ARG EXTRACTED=/workspace/app/build/extracted
+COPY --from=builder ${EXTRACTED}/dependencies/ ./
+COPY --from=builder ${EXTRACTED}/spring-boot-loader/ ./
+COPY --from=builder ${EXTRACTED}/snapshot-dependencies/ ./
+COPY --from=builder ${EXTRACTED}/application/ ./
+ENTRYPOINT ["java","org.springframework.boot.loader.JarLauncher"]