docker ready deployment

app/.gitignore

@@ -0,0 +1,2 @@
+.env.db
+.env.web

app/Dockerfile

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+FROM python:3.12-slim
+
+WORKDIR /src
+
+# Install dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the entire project
+COPY . ./app/
+
+# Expose Gunicorn port
+EXPOSE 8000
+
+# Gunicorn command for a package structure
+# "app:create_app()" assumes you have a factory function in __init__.py
+# If your Flask instance is just named 'app' inside __init__.py, use "app:app"
+CMD ["gunicorn", "--preload", "-w", "4", "-b", "0.0.0.0:8000", "app:create_app()"]

app/config.py

@@ -3,12 +3,11 @@ import os
 class Config:
     SECRET_KEY = os.environ.get('SECRET_KEY')
     
-    basedir = os.path.abspath(os.path.dirname(__file__))
-    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL') or \
-        'sqlite:///' + os.path.join(basedir, '../instance/registration.db')
+    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL')
     SQLALCHEMY_TRACK_MODIFICATIONS = False
 
-    MAIL_SERVER = 'mail.your-server.de'
+    # Email Settings (Update these!)
+    MAIL_SERVER = os.environ.get('MAIL_SERVER') 
     MAIL_PORT = 587
     MAIL_USE_TLS = True
     MAIL_USERNAME = os.environ.get('EMAIL_USER')

app/requirements.txt

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+# This file was autogenerated by uv via the following command:
+#    uv export --format requirements-txt -o requirements.txt --no-hashes
+blinker==1.9.0
+    # via
+    #   flask
+    #   flask-mail
+click==8.3.1
+    # via flask
+colorama==0.4.6 ; sys_platform == 'win32'
+    # via click
+dnspython==2.8.0
+    # via email-validator
+email-validator==2.3.0
+    # via register-website
+flask==3.1.2
+    # via
+    #   flask-mail
+    #   flask-sqlalchemy
+    #   register-website
+flask-mail==0.10.0
+    # via register-website
+flask-sqlalchemy==3.1.1
+    # via register-website
+greenlet==3.3.0 ; platform_machine == 'AMD64' or platform_machine == 'WIN32' or platform_machine == 'aarch64' or platform_machine == 'amd64' or platform_machine == 'ppc64le' or platform_machine == 'win32' or platform_machine == 'x86_64'
+    # via sqlalchemy
+gunicorn==23.0.0
+    # via register-website
+idna==3.11
+    # via email-validator
+itsdangerous==2.2.0
+    # via flask
+jinja2==3.1.6
+    # via flask
+markupsafe==3.0.3
+    # via
+    #   flask
+    #   jinja2
+    #   werkzeug
+packaging==25.0
+    # via gunicorn
+psycopg2-binary==2.9.11
+    # via register-website
+sqlalchemy==2.0.45
+    # via flask-sqlalchemy
+typing-extensions==4.15.0
+    # via sqlalchemy
+werkzeug==3.1.4
+    # via flask