build: add logs handling in compose file

compose.example.yml

@@ -1,25 +1,31 @@
 name: stapler
 
+x-stapler-default: &stapler-default
+  build: .
+  restart: unless-stopped
+  env_file: .env
+  logging:
+    driver: "json-file"
+    options:
+      max-size: "10m"
+      max-file: "3"
+
 services:
   stapler:
-    build: .
+    <<: *stapler-default
-    restart: unless-stopped
     ports:
       - "80:80"
       - "443:443"
     volumes:
       - "./data:/data"
       - "./letsencrypt:/etc/letsencrypt"
-    env_file: .env
     command: --debug run
-  
+
   stapler-crontab:
-    build: .
+    <<: *stapler-default
-    restart: unless-stopped
     volumes:
       - "./data:/data"
       - "./letsencrypt:/etc/letsencrypt"
       - "./crontab:/etc/crontabs/root"
-    env_file: .env
     entrypoint: /usr/sbin/crond -f