31 lines
885 B
Docker
31 lines
885 B
Docker
# ---- Build stage ----
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FROM maven:3.9-eclipse-temurin-17-alpine AS build
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WORKDIR /workspace
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COPY pom.xml .
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RUN mvn dependency:go-offline -q
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COPY src ./src
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RUN mvn package -DskipTests -q
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# ---- Runtime stage ----
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FROM eclipse-temurin:17-jre-alpine
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WORKDIR /app
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# Download OTel Java agent for zero-code auto-instrumentation
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RUN wget -q -O /app/otel-agent.jar \
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"https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v2.5.0/opentelemetry-javaagent.jar"
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# Non-root user
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RUN addgroup -S appgroup && adduser -S appuser -G appgroup
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USER appuser
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COPY --from=build /workspace/target/*.jar app.jar
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EXPOSE 8080
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HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --retries=3 \
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CMD wget -qO- http://localhost:8080/actuator/health | grep -q '"status":"UP"' || exit 1
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ENTRYPOINT ["java", "-javaagent:/app/otel-agent.jar", "-jar", "app.jar"]
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