add log rotation to deploy examples

deployments/examples/ocis_keycloak/docker-compose.yml

@@ -39,6 +39,11 @@ services:
       - "traefik.http.routers.traefik-secure.tls=true"
       - "traefik.http.routers.traefik-secure.tls.certresolver=http"
       - "traefik.http.routers.traefik-secure.service=api@internal"
+    logging: &logging
+      driver: "json-file"
+      options:
+        max-size: "100m"
+        max-file: "2"
     restart: always
 
   ocis:
@@ -73,6 +78,8 @@ services:
       - "traefik.http.routers.ocis-secure.service=ocis"
       - "traefik.http.services.ocis.loadbalancer.server.port=9200"
       - "traefik.http.services.ocis.loadbalancer.server.scheme=https"
+    logging:
+      <<: *logging
     restart: always
 
   postgres:
@@ -83,6 +90,8 @@ services:
       POSTGRES_DB: keycloak
       POSTGRES_USER: keycloak
       POSTGRES_PASSWORD: keycloak
+    logging:
+      <<: *logging
     restart: always
 
   keycloak:
@@ -112,6 +121,8 @@ services:
       - "traefik.http.services.keycloak.loadbalancer.server.scheme=http"
     depends_on:
       - postgres
+    logging:
+      <<: *logging
     restart: always
 
 volumes: