Add docker builder env

.gitignore

@@ -1 +1,3 @@
 /build/
+/target/
+/.m2/

Dockerfile.build

@@ -0,0 +1,12 @@
+FROM maven:latest
+ARG uid=1000
+ARG gid=1000
+
+RUN groupadd -g ${gid} app \
+ && useradd -m -d /src -u ${uid} -g ${gid} app
+
+USER app
+WORKDIR /src
+
+ENTRYPOINT ["mvn"]
+CMD ["clean", "install"]