40 lines
1.0 KiB
Docker
40 lines
1.0 KiB
Docker
# === Build stage ===
|
|
FROM eclipse-temurin:17 AS build
|
|
|
|
# Install sbt
|
|
RUN apt-get update && apt-get install -y curl gnupg && \
|
|
echo "deb https://repo.scala-sbt.org/scalasbt/debian all main" > /etc/apt/sources.list.d/sbt.list && \
|
|
curl -sL "https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x2EE0EA64E40A89B84B2DF73499E82A75642AC823" | apt-key add && \
|
|
apt-get update && apt-get install -y sbt && \
|
|
rm -rf /var/lib/apt/lists/*
|
|
|
|
WORKDIR /app
|
|
|
|
# Cache dependency resolution
|
|
COPY build.sbt .
|
|
COPY project/build.properties project/
|
|
COPY project/plugins.sbt project/
|
|
RUN sbt update
|
|
|
|
# Copy source and build fat JAR
|
|
COPY src/ src/
|
|
RUN sbt assembly
|
|
|
|
# === Runtime stage ===
|
|
FROM eclipse-temurin:17-jre-alpine
|
|
|
|
RUN addgroup -S app && adduser -S app -G app
|
|
WORKDIR /app
|
|
|
|
COPY --from=build /app/target/scala-3.7.1/demoapp.jar ./demoapp.jar
|
|
|
|
RUN chown -R app:app /app
|
|
USER app
|
|
|
|
EXPOSE 8080
|
|
|
|
ENV PORT=8080
|
|
ENV JAVA_OPTS="-XX:MaxRAMPercentage=75.0 -XX:+UseSerialGC"
|
|
|
|
ENTRYPOINT ["sh", "-c", "exec java $JAVA_OPTS -jar demoapp.jar"]
|