docker build file

build/Dockerfile

@@ -0,0 +1,14 @@
+FROM tomcat:11
+
+# install maven
+RUN apt update && DEBIAN_FRONTEND=noninteractive apt install -y --no-install-recommends maven && rm -rf /var/lib/apt/lists/*
+
+# copy war
+COPY target/mavor.war /usr/local/tomcat/webapps
+
+# create temporary directory, no need to be a volume
+RUN mkdir /mavor
+
+# set required ENV
+ENV MAVOR_MAVEN_EXECUTABLE="/usr/bin/mvn"
+ENV MAVOR_TEMP_DIR="/mavor"