Dockerfile-multistage

ARG 	CHEMISTRY_PACKAGE=bbchem
FROM maven:3-openjdk-11 AS builder

FROM 	builder AS compile
ARG     CHEMISTRY_PACKAGE
ENV     CHEMISTRY_PACKAGE=${CHEMISTRY_PACKAGE}

ADD settings.xml /settings.xml
COPY 	pom.xml /src/pom.xml
WORKDIR /src
RUN 	--mount=type=cache,target=/root/.m2 mvn dependency:resolve -P ${CHEMISTRY_PACKAGE}  -s /settings.xml
ADD 	. /src

# Slow Step - Caching this Layer Greatly Improves Build Time  (~6x Faster) 
RUN 	--mount=type=cache,target=/root/.m2 mvn clean && \
        mvn compile war:war -P ${CHEMISTRY_PACKAGE} 

FROM tomcat:9.0.97-jdk11-temurin-jammy

# Third and Last Step That Requires Significant (Relative) Amount of Time 
RUN apt-get update && \
    apt-get install -y \
      curl \ 
      libfreetype6 \
      libfontconfig \
      openssl 
    
# Add nodejs for prepare config files
ENV NPM_CONFIG_LOGLEVEL=warn
ENV NODE_VERSION=20.x

# Second Slowest Step 
RUN curl -fsSL https://deb.nodesource.com/setup_$NODE_VERSION | bash - && \
  apt-get install -y nodejs && \
  npm install -g \
    coffeescript@2.5.1 \
    dotenv@10.0.0 \
    dotenv-expand@5.1.0 \ 
    flat@5.0.2 \
    glob@7.1.6 \
    properties@1.2.1 \ 
    properties-parser@0.3.1 \
    underscore@1.12.0 \
    underscore-deep-extend@1.1.5

ENV NODE_PATH=/usr/lib/node_modules

# Add runner user so we don't run as root
RUN	useradd -u 1000 -ms /bin/bash runner && \
  chown -R runner:runner /usr/local/tomcat/

# Allow certificates to be added by runner
RUN chgrp runner $JAVA_HOME/lib/security/cacerts && \
    chmod g+w $JAVA_HOME/lib/security/cacerts && \
    mkdir -p /usr/lib/jvm/java/jre/lib/security && \
    ln -s $JAVA_HOME/lib/security/cacerts /usr/lib/jvm/java/jre/lib/security/cacerts

# Get acas-roo-server compiled code
COPY 	--chown=runner:runner --from=compile /src/target/acas*.war /usr/local/tomcat/webapps/acas.war
COPY 	--chown=runner:runner --from=compile /src/target/acas* /usr/local/tomcat/webapps/acas/

# Wait for it startup script
COPY 	--chown=runner:runner wait-for-it.sh ./wait-for-it.sh
RUN 	chmod 755 wait-for-it.sh
WORKDIR $CATALINA_HOME
ENV    ACAS_HOME=/home/runner/build
ENV    CATALINA_OPTS="-Xms512M -Xmx1536M -XX:MaxPermSize=512m"

# Prepare config files
COPY --chown=runner:runner ./PrepareConfigFiles.coffee /home/runner/build/src/javascripts/BuildUtilities/PrepareConfigFiles.coffee

# Become runner user so we don't run as root
USER runner

# Setup entrypoint
COPY entrypoint.sh /entrypoint.sh
ENTRYPOINT ["/bin/bash", "/entrypoint.sh"] 
CMD 	["catalina.sh", "run"]