Dockerfile

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# Example Dockerfile for containerizing Roller


# STAGE 1 - BUILD ------------------------------------------------

FROM maven:3-eclipse-temurin-17 AS builder

COPY . /project
WORKDIR /project
RUN mvn -Duser.home=/builder/home -DskipTests=true -B clean install


# STAGE 2 - PACKAGE ------------------------------------------------

FROM tomcat:11.0-jdk17-temurin

# Remove existing Tomcat webapps

RUN rm -rf /usr/local/tomcat/webapps/*

# Add Roller configuration to environment

ARG STORAGE_ROOT=/usr/local/tomcat/data
ARG DATABASE_JDBC_DRIVERCLASS=org.postgresql.Driver
ARG DATABASE_JDBC_CONNECTIONURL=jdbc:postgresql://postgresql/rollerdb
ARG DATABASE_JDBC_USERNAME=scott
ARG DATABASE_JDBC_PASSWORD=tiger
ARG DATABASE_HOST=postgresql:5432

ENV STORAGE_ROOT ${STORAGE_ROOT}
ENV DATABASE_JDBC_DRIVERCLASS ${DATABASE_JDBC_DRIVERCLASS}
ENV DATABASE_JDBC_CONNECTIONURL ${DATABASE_JDBC_CONNECTIONURL}
ENV DATABASE_JDBC_USERNAME ${DATABASE_JDBC_USERNAME}
ENV DATABASE_JDBC_PASSWORD ${DATABASE_JDBC_PASSWORD}
ENV DATABASE_HOST ${DATABASE_HOST}

# install Roller WAR as ROOT.war, create data dirs

WORKDIR /usr/local/roller
COPY --from=builder /project/app/target/roller.war /usr/local/tomcat/webapps/ROOT.war
RUN mkdir -p data/mediafiles data/searchindex

# download PostgreSQL and MySQL drivers plus Mail and Activation JARs

WORKDIR /usr/local/tomcat/lib
RUN apt-get update && apt-get install -y wget
RUN wget -O postgresql.jar https://jdbc.postgresql.org/download/postgresql-42.7.4.jar
RUN wget https://repo1.maven.org/maven2/org/eclipse/angus/angus-mail/2.0.3/angus-mail-2.0.3.jar
RUN wget https://repo1.maven.org/maven2/jakarta/mail/jakarta.mail-api/2.1.3/jakarta.mail-api-2.1.3.jar
RUN wget https://repo1.maven.org/maven2/jakarta/activation/jakarta.activation-api/2.1.3/jakarta.activation-api-2.1.3.jar
RUN wget https://repo1.maven.org/maven2/org/eclipse/angus/angus-activation/2.0.2/angus-activation-2.0.2.jar

# Add Roller entry-point and go!

COPY docker/entry-point.sh /usr/local/tomcat/bin
COPY docker/wait-for-it.sh /usr/local/tomcat/bin
RUN chgrp -R 0 /usr/local/tomcat
RUN chmod -R g+rw /usr/local/tomcat

WORKDIR /usr/local/tomcat
CMD [ "/usr/local/tomcat/bin/entry-point.sh" ]