# 构建阶段
FROM maven:3.8.6-jdk-8 AS build
WORKDIR /app
COPY pom.xml .
COPY src ./src
RUN mvn clean package -DskipTests

# 运行阶段
FROM openjdk:8-jre-alpine
WORKDIR /app
ENV JAVA_OPTS="-Xmx512m -Xms256m -Dfile.encoding=UTF-8 -Duser.timezone=Asia/Shanghai"
ENV LANG=en_US.UTF-8
ENV LANGUAGE=en_US:en
ENV LC_ALL=en_US.UTF-8

RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories \
    && apk update \
    && apk --no-cache add ttf-dejavu fontconfig

COPY --from=build /app/target/*.jar app.jar
EXPOSE 6365

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