diff --git a/.dockerignore b/.dockerignore
index 782f5ef..20cfd98 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -11,3 +11,7 @@ postgres-hstore/
 docker-compose.yml
 docker-compose.override.yml
 build_static
+.venv
+.vscode
+.history
+log
diff --git a/Dockerfile b/Dockerfile
index 7bc1528..f0e38a9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,18 @@
-FROM python:3.5.9@sha256:3a71fd2dac2343263993f4ab898c9398dfbfd0235dafe41e784876b69bdfa899
+FROM python:3.11.4-slim-bookworm
 ENV PYTHONUNBUFFERED 1
 RUN mkdir /code
 WORKDIR /code
+RUN apt-get update && apt-get install -y --no-install-recommends \
+libpq-dev \
+gcc \
+  && \
+apt-get clean && \
+rm -rf /var/lib/apt/lists/*
 ADD requirements.txt /code/
 RUN pip install --no-cache-dir -r requirements.txt
-RUN wget https://github.com/vishnubob/wait-for-it/raw/8ed92e8cab83cfed76ff012ed4a36cef74b28096/wait-for-it.sh -O /usr/local/bin/wait-for-it && chmod +x /usr/local/bin/wait-for-it
 ADD . /code/
-RUN python manage.py collectstatic
 
-CMD bash -c "python manage.py migrate && python manage.py runserver 0.0.0.0:8000"
+RUN python -m pip install gunicorn
+
+RUN python manage.py collectstatic
+CMD bash -c "python manage.py migrate && gunicorn -b 0.0.0.0:8001 spejstore.wsgi:application"