Update .env.example

.env.example

@@ -3,13 +3,13 @@ APP_ENV="production"
 APP_KEY=
 APP_DEBUG="false"
 
-#Instance Configuration
+# Instance Configuration
 OPEN_REGISTRATION="false"
 ENFORCE_EMAIL_VERIFICATION="false"
 PF_MAX_USERS="1000"
 OAUTH_ENABLED="true"
 
-#Media Configuration
+# Media Configuration
 PF_OPTIMIZE_IMAGES="true"
 IMAGE_QUALITY="80"
 MAX_PHOTO_SIZE="15000"
@@ -64,3 +64,15 @@ MAIL_PASSWORD=null
 MAIL_ENCRYPTION=null
 MAIL_FROM_ADDRESS="pixelfed@example.com"
 MAIL_FROM_NAME="Pixelfed"
+
+## S3 Configuration (Post-Installer)
+PF_ENABLE_CLOUD=false
+FILESYSTEM_DRIVER=local
+FILESYSTEM_CLOUD=s3
+#AWS_ACCESS_KEY_ID=
+#AWS_SECRET_ACCESS_KEY=
+#AWS_DEFAULT_REGION=
+#AWS_BUCKET=<BucketName>
+#AWS_URL=
+#AWS_ENDPOINT=
+#AWS_USE_PATH_STYLE_ENDPOINT=false