# ============================================================
# 药品管理系统 — 后端 Dockerfile（多阶段构建）
# ============================================================

# ---- 构建阶段 ----
FROM eclipse-temurin:21-jdk-alpine AS builder
WORKDIR /app
COPY pom.xml mvnw mvnw.cmd ./
COPY .mvn .mvn
# 缓存依赖
RUN chmod +x mvnw && ./mvnw dependency:go-offline -q
COPY src ./src
RUN ./mvnw package -DskipTests -q

# ---- 运行阶段 ----
FROM eclipse-temurin:21-jre-alpine
WORKDIR /app
COPY --from=builder /app/target/*.jar app.jar

ENV TZ=Asia/Shanghai
ENV SERVER_PORT=8080

EXPOSE 8080

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