add env var support

docker-compose.yml

@@ -9,6 +9,12 @@ services:
     environment:
       - MAX_UPLOAD_SIZE=500M
       - UPLOAD_SECRETS=set me # You can add multiple secrets. Format: secret1,secret2,secret3
+      - UPLOAD_DIR=./ # The directory to store the uploaded files
+      - USE_RANDOM_FILE_NAMES=true # If true, the uploaded files will be renamed to a random string
+      - SHOULD_CONVERT_TO_WEBP=true # If true, the uploaded files will be converted to webp
+      - WEBP_QUALITY=95 # The quality of the converted webp files
+      - WEBP_THREADHOLD=1048576 # The minimum file size to convert to webp (1MB in bytes)
+      - FILE_NAME_LENGTH=8 # The length of the random file name
     ports:
       - 80:80
     volumes: