chore: integrate both web frontends to the Docker stuff

docker/Dockerfile.application

@@ -20,3 +20,25 @@ COPY --from=build /src/legacyworlds-server/legacyworlds-server-main/target/lib /
 ADD docker/backend-entrypoint.sh /app/entrypoint.sh
 ENTRYPOINT ["/app/entrypoint.sh"]
 CMD ["server"]
+
+FROM tomcat:6.0-jre7 AS tomcat-base
+RUN <<EOF
+	rm -rf /usr/local/tomcat/webapps/*
+	adduser --system --no-create-home \
+		--ingroup www-data \
+		--shell /bin/false \
+		--home $CATALINA_HOME \
+		tomcat
+	chown -R tomcat: /usr/local/tomcat
+EOF
+USER tomcat
+
+FROM tomcat-base AS lwmain
+COPY --from=build \
+	/src/legacyworlds-web/legacyworlds-web-main/target/*.war \
+	$CATALINA_HOME/webapps/ROOT.war
+
+FROM tomcat-base AS lwadmin
+COPY --from=build \
+	/src/legacyworlds-web/legacyworlds-web-main/target/*.war \
+	$CATALINA_HOME/webapps/ROOT.war