41 lines
1.1 KiB
Docker
41 lines
1.1 KiB
Docker
# -------- Build stage --------
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FROM maven:3.9.9-eclipse-temurin-21 AS build
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WORKDIR /app
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# Cache dependencies
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COPY pom.xml .
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RUN mvn -q -DskipTests dependency:go-offline
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# Build
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COPY src ./src
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RUN mvn -q -DskipTests package
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# -------- Runtime stage --------
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FROM eclipse-temurin:21-jre-jammy
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# Timezone & JVM defaults
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ENV TZ=Europe/Stockholm
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# Ensure JVM uses Stockholm time regardless of container TZ config
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ENV JAVA_TOOL_OPTIONS="-Duser.timezone=Europe/Stockholm"
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# Sensible container-aware memory settings (tweak as you like)
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ENV JAVA_OPTS="-XX:MaxRAMPercentage=75"
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# Non-root user
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RUN useradd -ms /bin/bash spring
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WORKDIR /app
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COPY --from=build /app/target/electricityalert-*.jar /app/app.jar
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RUN chown -R spring:spring /app
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USER spring
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# App port
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EXPOSE 8080
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# Spring profile can be overridden at runtime: -e SPRING_PROFILES_ACTIVE=prod
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ENV SPRING_PROFILES_ACTIVE=prod
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# Pass secrets as env vars (see your application.properties)
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# -e TELEGRAM_BOT_TOKEN=... -e TELEGRAM_CHAT_ID=... -e GRAPHQL_ACCESS_TOKEN=...
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ENTRYPOINT ["sh","-c","java $JAVA_OPTS -jar /app/app.jar"]
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LABEL com.centurylinklabs.watchtower.enable=true
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