fix: postgres connection string

Dockerfile

@@ -1,5 +1,5 @@
 # Use the official n8n Docker image
-FROM --platform=linux/amd64 tsdocode/n8n:facebook-amd64
+FROM --platform=linux/amd64 tsdocode/n8n:facebook-amd
 
 # Set the working directory to /data
 WORKDIR /data
@@ -7,7 +7,7 @@ WORKDIR /data
 # Set the environment variables
 ENV N8N_TRUST_PROXY=true
 ENV N8N_PROTOCOL=https
-
+ENV N8N_ENFORCE_SETTINGS_FILE_PERMISSIONS=false
 ENV N8N_DIAGNOSTICS_ENABLED=true
 ENV N8N_VERSION_NOTIFICATIONS_ENABLED=true
 ENV N8N_TEMPLATES_ENABLED=true
@@ -26,11 +26,12 @@ ENV EXECUTIONS_DATA_SAVE_MANUAL_EXECUTIONS=false
 # Postgres database connection settings
 ENV DB_TYPE=postgresdb
 ENV DB_POSTGRESDB_DATABASE=postgres
-ENV DB_POSTGRESDB_HOST=postgres
+ENV DB_POSTGRESDB_HOST={POSTGRES_HOST}
 ENV DB_POSTGRESDB_PORT=5432
-ENV DB_POSTGRESDB_USER=postgres
+ENV DB_POSTGRESDB_USER=${POSTGRES_USER}
 ENV DB_POSTGRESDB_SCHEMA=public
 ENV DB_POSTGRESDB_PASSWORD=${POSTGRES_PASSWORD}
 
+
 # Expose the smtp port for n8n
 EXPOSE 5678