Dockerfile

FROM clojure:openjdk-11-lein-2.9.1 as builder

RUN mkdir -p /app

WORKDIR /app



COPY project.clj ./project.clj

RUN LEIN_SNAPSHOTS_IN_RELEASE=1 \
  lein deps

COPY resources ./resources
COPY src ./src

# needs the following in project.clj:   :uberjar-name "app-standalone.jar" 
RUN LEIN_SNAPSHOTS_IN_RELEASE=1 lein uberjar && \
    cp ./target/uberjar/app-standalone.jar ./app.jar

FROM openjdk:11.0.5-jre-slim-buster


WORKDIR /app

COPY --from=builder /app/app.jar .

CMD ["java", "-jar" , "/app/app.jar"]