refactor(docker): use arg to set rulebook name

ref: #3 #1

dockerfile

@@ -1,3 +1,4 @@
+ARG GIT_EVENT_RULEBOOK_NAME='problem_matcher'
 
 FROM python:3.11-alpine3.22 AS Build
 
@@ -49,9 +50,13 @@ RUN cd /tmp/python_modules; \
 
 
 
+
 FROM python:3.11-alpine3.22
 
 
+ARG GIT_EVENT_RULEBOOK_NAME
+
+
 RUN apk --no-cache update; \
     apk --no-cache add \
     openjdk21-jdk
@@ -63,6 +68,8 @@ ENV ANSIBLE_INVENTORY hosts.yaml
 
 ENV JAVA_HOME /usr/lib/jvm/java-21-openjdk
 
+ENV GIT_EVENT_RULEBOOK_NAME ${GIT_EVENT_RULEBOOK_NAME}
+
 
 COPY includes/ /
 
@@ -80,6 +87,7 @@ RUN pip install --no-cache-dir /tmp/python_builds/*; \
     rm -rf /home/eda/.ansible/collections/ansible_collections/nofusscomputing/git_events/includes; \
     mv /usr/bin/annotations.py /usr/bin/annotations; \
     chmod +x /usr/bin/annotations; \
+    chmod +x /entrypoint.sh; \
     chown eda:eda -R /home/eda;
 
 
@@ -89,9 +97,4 @@ WORKDIR /home/eda
 USER eda
 
 
-CMD [ \
-    "ansible-rulebook", \
-    "-r", "nofusscomputing.git_events.webhook", \
-    "--env-vars", "PROBLEM_MATCHER_PORT,PROBLEM_MATCHER_TOKEN", \
-    "-v" \
-]
+ENTRYPOINT [ "/entrypoint.sh" ]

includes/entrypoint.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+set -e
+
+if [ $# -eq 0 ]; then
+
+    cd ${HOME};
+
+    ansible-rulebook \
+        -r nofusscomputing.git_events.${GIT_EVENT_RULEBOOK_NAME} \
+        --env-vars PROBLEM_MATCHER_PORT,PROBLEM_MATCHER_TOKEN \
+        -v;
+
+else
+
+  exec "$@"
+
+fi