anchor.diff:  # Add this app and make it root
   COPY /build/libs/rant*.war /usr/local/tomcat/webapps/ROOT.war
   
  -# TODO Accept ENV couchdb url and credentials
  -ENV RANT_VERSION 1.0.0
  -ENV DB_URL http://localhost:5984/
  -ENV DB_USER admin
  -ENV DB_PASS admin
  +# CouchDB url and credentials
  +ENV RANT_VERSION=1.0.0 \
  +    DB_URL=http://localhost:5984/ \
  +    DB_USER=admin \
  +    DB_PASS=admin
   
   EXPOSE 8080
   EXPOSE 8443
  
positive.code: # docker pull rant/rant
  # docker build --no-cache --rm -t rant/rant .
  # docker run -p 8080:8080 -p 8443:8443 --name rant rant/rant
  # docker push rant/rant
negative.code: FROM tomcat:9.0.0-jre8-alpine
  
  LABEL maintainer="Austin Delamar @amdelamar" \
        description="Blog system on CouchDB."
  
  # Tomcat HTTPS for HTTP/2
  #RUN apk add --no-cache --virtual openssl \
  # && openssl genrsa -des3 -passout pass:changeit -out ca.key 4096 -noout \
  # && openssl req -new -x509 -days 1826 -key ca.key -out ca.crt -passin pass:changeit \
  #    -subj "/C=US/ST=-/L=-/O=Rant/OU=Rant/CN=IT/emailAddress=webmaster@ramblingware.com"
  
  # Tomcat configs
  