JavaGateway in a docker image. This image is published as intersystemsdc/jgw:latest.
As simple as:
FROM eclipse-temurin:8-jre-alpine AS builder
ARG APP_HOME=/tmp/app
# Copy your lib sources
COPY src $APP_HOME/src
# Copy Gateway Jars dependencies
COPY --from=intersystemscommunity/jgw:latest /jgw/*.jar $APP_HOME/jgw/
# Compile your java library
# Output the jars to /tmp/app/jar/
# RUN javac/graddle/maven
FROM intersystemscommunity/jgw:latest
COPY --from=builder /tmp/app/jar/*.jar $GWDIR/
Uncomment 3 lines in docker-compose to enable remote debugging on port 5005.
Example of the Java Library built from this image is available here.