Fix Dockerfile

Dockerfile

@@ -1,27 +1,24 @@
-FROM python:3.8.9
+FROM python:latest
 
-WORKDIR /app
-
-COPY ./requirements.txt /app/requirements.txt
-COPY ./packages.txt /app/packages.txt
-
-RUN apt-get update && xargs -r -a /app/packages.txt apt-get install -y && rm -rf /var/lib/apt/lists/*
-RUN pip3 install --no-cache-dir -r /app/requirements.txt
-
-# User
+# Add user
 RUN useradd -m -u 1000 user
 USER user
-ENV HOME /home/user
-ENV PATH $HOME/.local/bin:$PATH
-
-WORKDIR $HOME
-RUN mkdir app
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
+# Set default to user's home directory
 WORKDIR $HOME/app
+# Copy current files to space
 COPY . $HOME/app
 
+# Install system dependencies and requirements
+RUN apt-get update && \
+    xargs -r -a /app/packages.txt apt-get install -y && \
+    rm -rf /var/lib/apt/lists/* && \
+    pip install --no-cache-dir -r $HOME/app/requirements.txt
+
 EXPOSE 7860
 CMD streamlit run app.py \
     --server.headless true \
     --server.enableCORS false \
     --server.enableXsrfProtection false \
-    --server.fileWatcherType none \
+    --server.fileWatcherType none \