Dockerfile

# Start with a base image containing Java runtime
FROM openjdk:8-jdk-alpine

# Install fonts missing from base alpine image
# These fonts are needed for calls to AWT system being made by the Java Open Chess Engine in the background
RUN apk add ttf-dejavu

# Add Maintainer Info
LABEL maintainer="Mayank K Rastogi"

# Add a volume pointing to /tmp
VOLUME /tmp

# Make port 8080 available to the world outside this container
EXPOSE 8080

# The application's jar file
ARG JAR_FILE=build/libs/chessservice-0.0.1-SNAPSHOT.jar

# Add the application's jar to the container
ADD ${JAR_FILE} chessservice.jar

# Run the jar file
ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/chessservice.jar"]