rename all 'writer' to 'photos'

.devcontainer/docker-compose.yml

@@ -33,10 +33,10 @@ services:
     volumes:
       - mariadb-data:/var/lib/mysql
     environment:
-      MYSQL_DATABASE: writer
-      MYSQL_USER: writer
-      MYSQL_PASSWORD: writer
-      MYSQL_ROOT_PASSWORD: writer
+      MYSQL_DATABASE: photos
+      MYSQL_USER: photos
+      MYSQL_PASSWORD: photos
+      MYSQL_ROOT_PASSWORD: photos
 
   dbtest:
     image: mariadb:latest
@@ -44,10 +44,10 @@ services:
     volumes:
       - mariadbtest-data:/var/lib/mysql
     environment:
-      MYSQL_DATABASE: writer_test
-      MYSQL_USER: writer
-      MYSQL_PASSWORD: writer
-      MYSQL_ROOT_PASSWORD: writer
+      MYSQL_DATABASE: photos_test
+      MYSQL_USER: photos
+      MYSQL_PASSWORD: photos
+      MYSQL_ROOT_PASSWORD: photos
 
     # Add "forwardPorts": ["5432"] to **devcontainer.json** to forward MongoDB locally.
     # (Adding the "ports" property to this file will not forward from a Codespace.)