Add docker files

Dockerfile

@@ -0,0 +1,29 @@
+# Use the official Python image from Docker Hub
+FROM python:3.11-slim
+
+# Set the working directory
+WORKDIR /app
+
+# Set environment variables using the ARG values
+ENV CROSSFIT_USERNAME=${CROSSFIT_USERNAME}
+ENV CROSSFIT_PASSWORD=${CROSSFIT_PASSWORD}
+ENV EMAIL_FROM=${EMAIL_FROM}
+ENV EMAIL_TO=${EMAIL_TO}
+ENV EMAIL_PASSWORD=${EMAIL_PASSWORD}
+ENV TELEGRAM_TOKEN=${TELEGRAM_TOKEN}
+ENV TELEGRAM_CHAT_ID=${TELEGRAM_CHAT_ID}
+
+# Copy the requirements file
+COPY requirements.txt .
+
+# Install the required dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application code
+COPY . .
+
+# Create log directory
+RUN mkdir -p log
+
+# Set the entry point to run the main script
+ENTRYPOINT ["python", "book_crossfit.py"]