Adding Dockerfile to run bot in container.

Author: m-strzelczyk

Dockerfile

@@ -0,0 +1,18 @@
+FROM ubuntu:20.04
+
+RUN apt update && apt upgrade -y && apt install -y maven
+
+RUN useradd --shell /bin/sh --create-home wobbot
+
+
+WORKDIR /bot
+COPY pom.xml pom.xml
+COPY src src
+COPY .git .git
+RUN chown wobbot -R /bot
+
+USER wobbot
+
+RUN mvn install
+
+ENTRYPOINT mvn exec:java