added dockerfile

Dockerfile

@@ -0,0 +1,33 @@
+FROM python:3.8.10-slim
+
+WORKDIR /app
+
+# install linux package dependencies
+RUN apt-get -y update
+
+# can copy files only from current working directory where docker builds
+# cannot copy files from arbitrary directories
+
+COPY ./requirements.txt .
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+# User
+RUN useradd -m -u 1000 user
+USER user
+ENV HOME /home/user
+ENV PATH $HOME/.local/bin:$PATH
+
+WORKDIR $HOME
+RUN mkdir app
+WORKDIR $HOME/app
+
+COPY ./frontend.py $HOME/app
+
+EXPOSE 8501
+
+CMD streamlit run frontend.py \
+    --server.headless true \
+    --server.enableCORS false \
+    --server.enableXsrfProtection false \
+    --server.fileWatcherType none