Dockerfile

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# Licensed to the Apache Software Foundation (ASF) under one
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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
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#
# Dockerfile for guacamole-client
#

# Use args for Tomcat image label to allow image builder to choose alternatives
# such as `--build-arg TOMCAT_JRE=jre8-alpine`
#
ARG TOMCAT_VERSION=8.0.20
ARG TOMCAT_JRE=jre8

# Use official maven image for the build
FROM maven:3-jdk-8 AS builder

# Build environment variables
ENV \
    BUILD_DIR=/tmp/guacamole-docker-BUILD

# Add configuration scripts
COPY guacamole-docker/bin/ /opt/guacamole/bin/

# Copy source to container for sake of build
COPY . "$BUILD_DIR"

# Run the build itself
RUN /opt/guacamole/bin/build-guacamole.sh "$BUILD_DIR" /opt/guacamole

# For the runtime image, we start with the official Tomcat distribution
FROM tomcat:${TOMCAT_VERSION}-${TOMCAT_JRE}

# This is where the build artifacts go in the runtime image
WORKDIR /opt/guacamole

# Copy artifacts from builder image into this image
COPY --from=builder /opt/guacamole/ .

# Start Guacamole under Tomcat, listening on 0.0.0.0:8080
EXPOSE 8080
CMD ["/opt/guacamole/bin/start.sh" ]