added dockerfile for bot hosting

docker/Dockerfile

@@ -0,0 +1,23 @@
+# Dockerfile
+FROM python:3.9-slim
+
+# Set the working directory
+WORKDIR /app
+
+# Install git and clean up
+RUN apt-get update -q && \
+    apt-get install -y git && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# Clone the repository
+RUN git clone --single-branch --branch master https://git.epicsparrow.com/Anselme/perefouras.git .
+
+# Install dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# give exec permissions to main
+RUN chmod +x main.py
+
+# Command to update the repo and run the script
+CMD ["sh", "-c", "cd /app && git pull origin master && python main.py"]