Dockerfile.rootless

# 前端构建
FROM node:18-alpine AS frontend-builder

WORKDIR /frontend

COPY free-novel-web/package*.json ./

RUN npm install --registry=https://registry.npmmirror.com

COPY free-novel-web/ ./

RUN npm run build

# 服务端构建
FROM maven:3.9-eclipse-temurin-17-alpine AS backend-builder

WORKDIR /app

COPY novel/pom.xml ./

RUN mvn dependency:go-offline -B

COPY novel/src ./src

RUN mkdir -p src/main/resources/static
COPY --from=frontend-builder /frontend/dist/ ./src/main/resources/static/

RUN mvn clean package -DskipTests -Pprod

RUN mkdir -p target/dependency && \
    cd target/dependency && \
    jar -xf ../*.jar

FROM eclipse-temurin:17-jre-alpine

RUN apk add --no-cache curl tzdata && \
    cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
    echo "Asia/Shanghai" > /etc/timezone && \
    apk del tzdata

WORKDIR /app

RUN addgroup -S appuser && adduser -S appuser -G appuser

COPY --from=backend-builder --chown=appuser:appuser /app/target/dependency/BOOT-INF/lib /app/lib
COPY --from=backend-builder --chown=appuser:appuser /app/target/dependency/META-INF /app/META-INF
COPY --from=backend-builder --chown=appuser:appuser /app/target/dependency/BOOT-INF/classes /app

RUN mkdir -p /app/logs && \
    mkdir -p /app/tmp && \
    mkdir -p /app/file && \
    chown -R appuser:appuser /app

USER appuser

EXPOSE 8081

HEALTHCHECK --interval=30s --timeout=10s --start-period=90s --retries=3 \
  CMD ["curl", "-f", "http://localhost:8081/actuator/health"]

ENV JAVA_OPTS="-Xms512m -Xmx2048m \
    -XX:+UseG1GC \
    -XX:MaxGCPauseMillis=200 \
    -XX:+UseStringDeduplication \
    -XX:+OptimizeStringConcat \
    -Djava.security.egd=file:/dev/./urandom \
    -Dspring.profiles.active=prod \
    -XX:+HeapDumpOnOutOfMemoryError \
    -XX:HeapDumpPath=/app/logs/heapdump.hprof"

ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -cp /app:/app/lib/* com.wtl.novel.NovelApplication"]