refactor(docker): use arg to set rulebook name

ref: #3 #1

dockerfile

@@ -1,4 +1,4 @@
-ARG PROBLEM_MATCHER_NAME='problem_matcher'
+ARG GIT_EVENT_RULEBOOK_NAME='problem_matcher'
 
 FROM python:3.11-alpine3.22 AS Build
 
@@ -54,7 +54,7 @@ RUN cd /tmp/python_modules; \
 FROM python:3.11-alpine3.22
 
 
-ARG PROBLEM_MATCHER_NAME
+ARG GIT_EVENT_RULEBOOK_NAME
 
 
 RUN apk --no-cache update; \
@@ -68,7 +68,7 @@ ENV ANSIBLE_INVENTORY hosts.yaml
 
 ENV JAVA_HOME /usr/lib/jvm/java-21-openjdk
 
-ENV PROBLEM_MATCHER_NAME ${PROBLEM_MATCHER_NAME}
+ENV GIT_EVENT_RULEBOOK_NAME ${GIT_EVENT_RULEBOOK_NAME}
 
 
 COPY includes/ /

includes/entrypoint.sh

@@ -7,7 +7,7 @@ if [ $# -eq 0 ]; then
     cd ${HOME};
 
     ansible-rulebook \
-        -r nofusscomputing.git_events.${PROBLEM_MATCHER_NAME} \
+        -r nofusscomputing.git_events.${GIT_EVENT_RULEBOOK_NAME} \
         --env-vars PROBLEM_MATCHER_PORT,PROBLEM_MATCHER_TOKEN \
         -v;