FROM openjdk:8-alpine

RUN apk add --update --no-cache wget unzip curl bash jq

RUN mkdir -p /opt

RUN cd /opt \

&& export PMD_URL=$(curl --silent https://api.github.com/repos/pmd/pmd/releases/latest | jq '.assets[] | select(.name | contains("pmd-bin-") and contains(".zip")) | .browser_download_url' | sed -e 's/^"//' -e 's/"$//') \

&& wget -nc -O pmd.zip ${PMD_URL} \

&& unzip pmd.zip \

&& rm pmd.zip \

&& mv pmd-bin* pmd

RUN cd /opt \

&& export CS_URL=$(curl --silent https://api.github.com/repos/checkstyle/checkstyle/releases/latest | jq '.assets[] | select(.name | contains("checkstyle-") and contains(".jar")) | .browser_download_url' | sed -e 's/^"//' -e 's/"$//') \

&& wget -nc -O checkstyle.jar ${CS_URL}

COPY run_pmd.sh /opt

COPY run_cpd.sh /opt

COPY ruleset.xml /opt

COPY run_checkstyle.sh /opt