add port to environment

defaults/main.yml

@@ -10,3 +10,5 @@ cat_postgres_user: cat_user
 cat_postgres_password: "{{ vault_cat_postgres_password }}"
 
 cat_git_destination: /home/{{ cat_user }}/cat_src
+
+port: 3000

tasks/main.yml

@@ -79,3 +79,4 @@
   shell: java -jar {{cat_git_destination }}/target/uberjar/cat.jar
   environment:
     DATABASE_URL: "postgresql://localhost:5432/{{ cat_postgres_db }}?user={{ cat_postgres_user }}&password={{ cat_postgres_password }}"
+    PORT: "{{ port }}"