Dockerfile

FROM java:8
MAINTAINER Rakesh Sahadevan <rksahadevan@gmail.com>

ARG GRAILS_VERSION=2.4.4

# Install Grails
WORKDIR /usr/lib/jvm

ADD https://github.com/grails/grails-core/releases/download/v$GRAILS_VERSION/grails-$GRAILS_VERSION.zip /usr/lib/jvm/grails-$GRAILS_VERSION.zip
RUN unzip grails-$GRAILS_VERSION.zip
RUN rm -rf grails-$GRAILS_VERSION.zip
RUN ln -s grails-$GRAILS_VERSION grails

# Setup Grails path.
ENV GRAILS_HOME /usr/lib/jvm/grails
ENV PATH $GRAILS_HOME/bin:$PATH

# Create App Directory
RUN mkdir /app

# Set Workdir
WORKDIR /app

# Set Default Behavior
ENTRYPOINT ["grails"]

# Copy App files
COPY . /app

# Run Grails refresh-dependencies command to
# pre-download dependencies but not create
# unnecessary build files or artifacts.
RUN grails refresh-dependencies

# Set Default Behavior
ENTRYPOINT ["grails"]
CMD ["run-app"]