Initial Docker image

Dockerfile

@@ -0,0 +1,17 @@
+FROM openjdk:13-alpine
+LABEL author="ian@iamthefij.com"
+
+ENV VERSION=6.12.0
+
+RUN apk add bash curl unzip
+
+RUN curl -L -o pmd.zip https://github.com/pmd/pmd/releases/download/pmd_releases%2F${VERSION}/pmd-bin-${VERSION}.zip && \
+        unzip pmd.zip && \
+        rm pmd.zip
+
+RUN mv /pmd-bin-${VERSION} /pmd
+WORKDIR /pmd
+
+USER nobody
+
+ENTRYPOINT ["./bin/run.sh", "pmd"]

README.md

@@ -1,3 +1,17 @@
 # docker-pmd
 
-OpenJDK based Docker image for running PMD
+OpenJDK based Docker image for running PMD
+
+## Usage
+
+To run, create a rules.xml file, or download one from the [git repo](https://github.com/pmd/pmd).
+
+After that, you can run using the following command:
+
+    docker run -v $(pwd):/src:ro --rm iamthefij/pmd -d /src -f textcolor -R /src/quickstart.xml
+
+## Building
+Clone this repo and then run
+
+    docker build -f Dockerfile . -t pmd-test
+