Changing DB user

docker-compose.yaml

     image: docker.io/postgres:16-alpine
     environment:
       - POSTGRES_DB=synapse
-      - POSTGRES_USER=synapse
+      - POSTGRES_USER=matrix_synapse
       - POSTGRES_PASSWORD=PG_PASS
       - POSTGRES_INITDB_ARGS=--encoding=UTF8 --lc-collate=C --lc-ctype=C
     volumes:
       - SYNCV3_BINDADDR=:8008
       - SYNCV3_SERVER=https://DOMAIN
       - SYNCV3_SECRET=SLIDING_SYNC_KEY
-      - SYNCV3_DB=user=synapse dbname=synapse sslmode=disable host=db password=PG_PASS
+      - SYNCV3_DB=user=matrix_synapse dbname=synapse sslmode=disable host=db password=PG_PASS
     networks:
       matrix_server:
         ipv4_address: 10.10.10.7

homeserver.yaml.db

 database:
   name: psycopg2
   args:
-    user: synapse
+    user: matrix_synapse
     password: PG_PASS
     dbname: synapse
     host: db

install.sh

 # Disable "Pending Kernel upgrade" banner
 sed -i "s|#\$nrconf{kernelhints} = -1;|\$nrconf{kernelhints} = -1;|g" /etc/needrestart/needrestart.conf
 
+# Disable "Daemon Using Outdated Libraries" banner
+sed -i "s|#\$nrconf{restart} = 'i';|\$nrconf{restart} = 'a';|g" /etc/needrestart/needrestart.conf
+
 # Baseline utils
 echo -e "Installing baseline utils\n"
 apt update