Add dockerfile

Dockerfile

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+
+# Use the official lightweight Python image.
+# https://hub.docker.com/_/python
+FROM python:3.11-slim
+
+# Allow statements and log messages to immediately appear in the logs
+ENV PYTHONUNBUFFERED True
+
+# Copy local code to the container image.
+ENV APP_HOME /app
+WORKDIR $APP_HOME
+COPY . ./
+
+# Install production dependencies.
+RUN pip install --no-cache-dir -r requirements.txt
+
+RUN useradd -m -u 1000 user
+USER user
+ENV HOME=/home/user \
+	PATH=/home/user/.local/bin:$PATH
+
+WORKDIR $APP_HOME
+
+COPY --chown=user . $HOME/app
+
+# Run the web service on container startup. Here we use the gunicorn
+# webserver, with one worker process and 8 threads.
+# For environments with multiple CPU cores, increase the number of workers
+# to be equal to the cores available.
+# Timeout is set to 0 to disable the timeouts of the workers to allow Cloud Run to handle instance scaling.
+CMD exec gunicorn --bind 0.0.0.0:7860 --workers 1 --threads 8 --timeout 0 main:app