feat: added .env file support

.env.example

@@ -0,0 +1,9 @@
+# Set a password to protect the app. Leave empty to disable auth.
+PASSWORD=
+
+# Host port to expose the app on.
+PORT=5000
+
+# Host paths for persistent data.
+DOWNLOADS_DIR=./downloads
+CONFIG_DIR=./config

.gitignore

@@ -1 +1,2 @@
 /downloads/
+.env

docker-compose.yml

@@ -3,10 +3,10 @@ services:
     build: .
     container_name: votify-web
     ports:
-      - "5000:5000"
-    environment:
-      - PASSWORD=test  # Remove or leave empty to disable auth
+      - "${PORT:-5000}:5000"
+    env_file:
+      - .env
     volumes:
-      - ./downloads:/downloads
-      - ./config:/config
+      - ${DOWNLOADS_DIR:-./downloads}:/downloads
+      - ${CONFIG_DIR:-./config}:/config
     restart: unless-stopped