diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..c650c4c
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,3 @@
+.gitignore
+.git
+__pycache__
diff --git a/config/Dockerfile b/Dockerfile
similarity index 88%
rename from config/Dockerfile
rename to Dockerfile
index d570dfa..b912a40 100644
--- a/config/Dockerfile
+++ b/Dockerfile
@@ -22,4 +22,4 @@ ENV PYTHONUNBUFFERED=1
 ENV PYTHONDONTWRITEBYTECODE=1
 
 # Run the application
-CMD ["gunicorn", "-w", "4", "-b", ":8000", "app:create_app()"] 
\ No newline at end of file
+CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:8000", "wsgi:app"]
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
deleted file mode 100644
index 3224d17..0000000
--- a/LICENSE
+++ /dev/null
@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2024 Yohei Nakajima
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/compose.yml b/compose.yml
new file mode 100644
index 0000000..a861500
--- /dev/null
+++ b/compose.yml
@@ -0,0 +1,15 @@
+# version: '3'
+
+services:
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: homedocs:latest
+    ports:
+      - "8000:8000"
+    volumes:
+      - ./instance:/app/instance # Persist SQLite database
+    environment:
+      - FLASK_ENV=${FLASK_ENV:-production}
+    restart: unless-stopped
diff --git a/config/docker-compose.yml b/config/docker-compose.yml
deleted file mode 100644
index c6c3024..0000000
--- a/config/docker-compose.yml
+++ /dev/null
@@ -1,53 +0,0 @@
-version: '3'
-
-services:
-  app:
-    build:
-      context: ..
-      dockerfile: config/Dockerfile
-    command: gunicorn -w 4 -b :8000 "app:create_app()" --access-logfile - --error-logfile -
-    volumes:
-      - ../app:/app/app
-    environment:
-      - FLASK_APP=app
-      - FLASK_ENV=production
-      - DATABASE_URL=postgresql://user:password@db:5432/app_db
-      - REDIS_URL=redis://redis:6379/0
-      - SECRET_KEY=${SECRET_KEY:-default_secret_key_change_in_production}
-    depends_on:
-      - db
-      - redis
-    restart: unless-stopped
-
-  nginx:
-    image: nginx:1.25
-    ports:
-      - "80:80"
-      - "443:443"
-    volumes:
-      - ./nginx/nginx.conf:/etc/nginx/nginx.conf
-      - ./nginx/conf.d:/etc/nginx/conf.d
-      - ./nginx/ssl:/etc/nginx/ssl
-    depends_on:
-      - app
-    restart: unless-stopped
-
-  db:
-    image: postgres:15
-    environment:
-      POSTGRES_USER: user
-      POSTGRES_PASSWORD: password
-      POSTGRES_DB: app_db
-    volumes:
-      - pg_data:/var/lib/postgresql/data
-    restart: unless-stopped
-
-  redis:
-    image: redis:7
-    volumes:
-      - redis_data:/data
-    restart: unless-stopped
-
-volumes:
-  pg_data:
-  redis_data:
diff --git a/wsgi.py b/wsgi.py
index e95d7ab..e4ee86e 100644
--- a/wsgi.py
+++ b/wsgi.py
@@ -1,13 +1,17 @@
 import os
+import secrets
 from app import create_app
 
-# Set the environment variable for database URL if needed
-# os.environ['DATABASE_URL'] = 'your_production_database_url'
+# Get Flask environment
+flask_env = os.environ.get("FLASK_ENV", "production")
 
-# Create a production application
-app = create_app("production")
+# Create the application
+app = create_app(flask_env)
+
+# Also provide 'application' for WSGI servers that look for this name
+application = app
 
 if __name__ == "__main__":
-    # This is only used for development
-    # In production, a WSGI server would import this file
-    app.run(host="0.0.0.0", port=5000)
+    # Only for development
+    debug = flask_env != "production"
+    app.run(host="0.0.0.0", port=8000, debug=debug)