Dockerfile

# Stage 1: Build
FROM eclipse-temurin:25-jdk-alpine AS build

WORKDIR /app

# Copy Gradle files
COPY gradle gradle
COPY gradlew .
COPY gradle.properties .
COPY settings.gradle .
COPY build.gradle .

# Download dependencies
RUN ./gradlew dependencies --no-daemon

# Copy source code
COPY src src

# Build application (skip tests for faster build)
RUN ./gradlew clean bootJar --no-daemon -x test

# Stage 2: Runtime
FROM eclipse-temurin:25-jre-alpine

WORKDIR /app

# Install timezone data, configure timezone, and create non-root user
RUN apk add --no-cache tzdata && \
    cp /usr/share/zoneinfo/America/Santiago /etc/localtime && \
    echo "America/Santiago" > /etc/timezone && \
    apk del tzdata && \
    addgroup -S spring && \
    adduser -S spring -G spring

USER spring:spring

# Copy JAR from build stage
COPY --from=build /app/build/libs/*.jar app.jar

# Expose application port
EXPOSE 8080

# Default environment variables
ENV JAVA_OPTS="-Xms128m -Xmx256m -Duser.timezone=America/Santiago" \
    SPRING_PROFILES_ACTIVE="prod" \
    TZ="America/Santiago"

# Healthcheck
HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost:8080/actuator/health || exit 1

# Startup command
ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -jar app.jar"]