Update Dockerfile

Dockerfile

@@ -10,7 +10,9 @@ ENV PATH="/home/user/.local/bin:$PATH"
 WORKDIR /app
 
 COPY --chown=user ./requirements.txt requirements.txt
-COPY --chown=user ./index.html requirements.txt
+COPY --chown=user ./index.html index.html
+COPY --chown=user ./app.py app.py
+COPY --chown=user ./.env .env
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
 COPY --chown=user . /app