diff --git a/.gitignore b/.gitignore
index c969d7c..f152031 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,5 +2,6 @@ env
 .env
 movielist.sqlite
 posters/*
+db/*
 __pycache__
 *~
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..a344fbf
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,31 @@
+# Use an official Python runtime as the base image
+FROM python:3.9-slim
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the project files into the container
+COPY . .
+RUN chmod +x docker-entrypoint.sh
+
+# Create a volume for the posters
+VOLUME /app/posters
+VOLUME /app/db
+
+# Install the project dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Set environment variables
+ENV FLASK_APP=kinolist
+ENV FLASK_RUN_HOST=0.0.0.0
+ENV FLASK_DATABASE=/app/db/movielist.sqlite
+ENV FLASK_IMAGE_WIDTH=200
+
+# Initialize the database
+RUN flask --app kinolist init-db
+
+# Expose the port the app runs on
+EXPOSE 8000
+
+# Run the application
+CMD ["/app/docker-entrypoint.sh"]
diff --git a/README.md b/README.md
index 4aa31d7..1316d02 100644
--- a/README.md
+++ b/README.md
@@ -50,6 +50,3 @@ If you are not in the virtual environment (the `(env)` keyword does not appear i
 python -m flask --app kinolist run --port 8000 --debug
 ```
 You can access the site at the adress `localhost:8000` on your web browser. Do `Ctrl+C` to stop the server.
-
-# Remarks
-For some reasons, I need a symbolic link from `posters/` to `kinolist/posters/`, I guess it is because python keeps changing the base directory, so the fix I have found is to have two `posters` folders which are actually the same.
diff --git a/configure.sh b/configure.sh
deleted file mode 100644
index aecfa43..0000000
--- a/configure.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-if [ ! -d env ]; then
-    python -m venv env
-    source env/bin/activate
-    python -m pip install -r requirements.txt
-fi
-
-if [ ! -f movielist.sqlite ]; then
-    source env/bin/activate
-    python -m flask --app kinolist init-db
-fi
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..453ad97
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,22 @@
+version: '3.8'
+
+services:
+  web:
+    build: .
+    ports:
+      - "8000:8000"
+    volumes:
+      - ./posters:/app/posters
+      - ./db/:/app/db
+    environment:
+      - FLASK_SECRET_KEY=${FLASK_SECRET_KEY}
+      - FLASK_OMDB_KEY=${FLASK_OMDB_KEY}
+      - FLASK_ADMIN_PASSWORD=${FLASK_ADMIN_PASSWORD}
+      - FLASK_DATABASE=/app/db/movielist.sqlite
+      - FLASK_IMAGE_WIDTH=200
+    env_file:
+      - .env
+
+volumes:
+  posters:
+  db:
\ No newline at end of file
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
new file mode 100644
index 0000000..1063714
--- /dev/null
+++ b/docker-entrypoint.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# Check if the database file exists
+if [ ! -f /app/db/movielist.sqlite ]; then
+    echo "Initializing database..."
+    python -m flask --app kinolist init-db
+fi
+
+# Start the Flask application
+exec gunicorn --bind 0.0.0.0:8000 "kinolist:create_app()"
\ No newline at end of file
diff --git a/kinolist/__init__.py b/kinolist/__init__.py
index 24279c6..6bff2fd 100644
--- a/kinolist/__init__.py
+++ b/kinolist/__init__.py
@@ -13,4 +13,10 @@ def create_app():
     database.init_app(app)
 
     app.register_blueprint(pages.bp)
+    
+    base_dir = os.path.abspath(os.path.dirname(__file__))
+    
+    # Set the UPLOAD_FOLDER to the parent directory of your project
+    app.config['UPLOAD_FOLDER'] = os.path.join(base_dir, '..', 'posters')
+    
     return app
diff --git a/kinolist/pages.py b/kinolist/pages.py
index 13b2e2a..a369450 100644
--- a/kinolist/pages.py
+++ b/kinolist/pages.py
@@ -76,7 +76,7 @@ def manage():
                 poster = request.files["poster"]
                 filename = posters.save(poster.filename, poster.read())
                 update_poster(id, filename)
-                return filename;
+                return filename
             elif "plot" in request.form:
                 update_plot(id, request.form["plot"])
             elif "watched" in request.form:
diff --git a/kinolist/posters b/kinolist/posters
deleted file mode 120000
index bdc3dde..0000000
--- a/kinolist/posters
+++ /dev/null
@@ -1 +0,0 @@
-../posters
\ No newline at end of file
diff --git a/kinolist/posters.py b/kinolist/posters.py
index 67c8a05..6dabef1 100644
--- a/kinolist/posters.py
+++ b/kinolist/posters.py
@@ -1,15 +1,17 @@
 from flask import (current_app, send_from_directory)
 from hashlib import sha1
 from pathlib import Path
-from os import path
+import os
 
 def save(name, content):
     h = sha1(content).hexdigest()
     filename = h + Path(name).suffix
-    file = open(path.join(current_app.config['UPLOAD_FOLDER'], filename), "wb")
-    file.write(content)
-    file.close()
+    file_path = os.path.join(current_app.config['UPLOAD_FOLDER'], filename)
+    
+    with open(file_path, "wb") as file:
+        file.write(content)
+    
     return filename
 
 def get(name):
-    return send_from_directory(current_app.config["UPLOAD_FOLDER"], name)
+    return send_from_directory(current_app.config['UPLOAD_FOLDER'], name)
diff --git a/requirements.txt b/requirements.txt
index c61d1f2..1d820f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,4 @@ Flask
 Flask-Login
 python-dotenv
 requests
-
+gunicorn