# -------- Build stage --------
FROM maven:3.9.9-eclipse-temurin-21 AS build
WORKDIR /app

# Cache dependencies
COPY pom.xml .
RUN mvn -q -DskipTests dependency:go-offline

# Build
COPY src ./src
RUN mvn -q -DskipTests package

# -------- Runtime stage --------
FROM eclipse-temurin:21-jre-jammy

# Timezone & JVM defaults
ENV TZ=Europe/Stockholm
# Ensure JVM uses Stockholm time regardless of container TZ config
ENV JAVA_TOOL_OPTIONS="-Duser.timezone=Europe/Stockholm"
# Sensible container-aware memory settings (tweak as you like)
ENV JAVA_OPTS="-XX:MaxRAMPercentage=75"

# Non-root user
RUN useradd -ms /bin/bash spring
WORKDIR /app
COPY --from=build /app/target/electricityalert-*.jar /app/app.jar
RUN chown -R spring:spring /app
USER spring

# App port
EXPOSE 8080

# Spring profile can be overridden at runtime: -e SPRING_PROFILES_ACTIVE=prod
ENV SPRING_PROFILES_ACTIVE=prod

# Pass secrets as env vars (see your application.properties)
#   -e TELEGRAM_BOT_TOKEN=... -e TELEGRAM_CHAT_ID=... -e GRAPHQL_ACCESS_TOKEN=...
ENTRYPOINT ["sh","-c","java $JAVA_OPTS -jar /app/app.jar"]