chore: Update Dockerfile to improve build process and upgrade pip

Dockerfile

@@ -3,12 +3,12 @@
 
 FROM tiangolo/uvicorn-gunicorn:python3.10-slim
 
-# Copy the current directory contents into the container at /app
-COPY . /app
-
-# Set the working directory to /app
+# Set the working directory
 WORKDIR /app
 
+# Copy the contents of the current directory to /app in the container
+COPY . .
+
 # List the contents of the working directory to debug
 RUN ls -la
 
@@ -16,7 +16,7 @@ RUN ls -la
 RUN pip install --no-cache-dir --upgrade pip
 
 # Install requirements.txt 
-RUN pip install --no-cache-dir --upgrade -r /requirements.txt
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
 # Expose the port the app runs on
 EXPOSE 7860