first commit

bmi/Dockerfile

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+FROM maven:3.8.3-jdk-11-slim AS build
+RUN mkdir /project
+COPY . /project
+WORKDIR /project
+RUN mvn clean package
+FROM adoptopenjdk/openjdk11:jre-11.0.15_10-alpine
+RUN mkdir /app
+RUN addgroup -g 1001 -S stef
+RUN adduser -S stef -u 1001
+COPY --from=build /project/target/bmi-1.0.jar /app/bmi.jar
+WORKDIR /app
+RUN chown -R stef:stef /app
+CMD java $JAVA_OPTS -jar bmi.jar