Docker mounts named volumes as root by default. Without pre-creating /data in the image with correct ownership, the app user cannot write tasks.db, causing a 502 on any route that touches TaskStore. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
35 lines
1.1 KiB
Docker
35 lines
1.1 KiB
Docker
# === Build stage ===
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FROM eclipse-temurin:25-jdk AS build
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RUN apt-get update && apt-get install -y curl gnupg && \
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curl -sL "https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x2EE0EA64E40A89B84B2DF73499E82A75642AC823" | gpg --dearmor > /etc/apt/trusted.gpg.d/sbt.gpg && \
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echo "deb https://repo.scala-sbt.org/scalasbt/debian all main" > /etc/apt/sources.list.d/sbt.list && \
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apt-get update && apt-get install -y sbt && \
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rm -rf /var/lib/apt/lists/*
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WORKDIR /app
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COPY build.sbt .
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COPY project/*.sbt project/*.properties project/*.scala project/
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RUN sbt update
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COPY src/ src/
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RUN sbt "set test in assembly := false" assembly
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# === Runtime stage ===
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FROM eclipse-temurin:25-jre-alpine
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RUN addgroup -S app && adduser -S app -G app
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RUN mkdir -p /data && chown app:app /data
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WORKDIR /app
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COPY --from=build --chown=app:app /app/target/scala-3.7.1/demoapp.jar ./demoapp.jar
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USER app
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EXPOSE 8080
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ENV PORT=8080
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ENV JAVA_OPTS="-XX:MaxRAMPercentage=75.0 -XX:+UseContainerSupport -XX:+ExitOnOutOfMemoryError"
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ENTRYPOINT ["sh", "-c", "exec java $JAVA_OPTS -jar demoapp.jar"]
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