Update Dockerfile

Dockerfile

@@ -1,10 +1,17 @@
-FROM python:3.9
-
-WORKDIR /code
-
-COPY ./requirements.txt /code/requirements.txt
-RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
-
-COPY . /code
-
+FROM python:3.9
+
+WORKDIR /code
+
+# Upgrade pip first
+RUN pip install --upgrade pip
+
+# Copy the requirements file
+COPY ./requirements.txt /code/requirements.txt
+
+# Install the dependencies
+RUN pip install --no-cache-dir -r /code/requirements.txt
+
+# Copy the rest of the application code
+COPY . /code
+
 CMD ["python", "app.py"]