Update Dockerfile

Dockerfile

@@ -1,23 +1,60 @@
-# Use the official lightweight Python image.
-# https://hub.docker.com/_/python
-FROM python:3.7
+# # Use the official lightweight Python image.
+# # https://hub.docker.com/_/python
+# FROM python:3.7
+
+# # Allow statements and log messages to immediately appear in the Knative logs
+# ENV PYTHONUNBUFFERED True
+
+# EXPOSE 8080
+
+# # Copy local code to the container image.
+# ENV APP_HOME /app
+# WORKDIR $APP_HOME
+# COPY . ./
+
+# # Install production dependencies.
+# RUN pip install -r requirements.txt
+
+# # Run the web service on container startup. Here we use the gunicorn
+# # webserver, with one worker process and 8 threads.
+# # For environments with multiple CPU cores, increase the number of workers
+# # to be equal to the cores available.
+# # Timeout is set to 0 to disable the timeouts of the workers to allow Cloud Run to handle instance scaling.
+# CMD streamlit run --server.port 8080 --server.enableCORS false app.py
 
-# Allow statements and log messages to immediately appear in the Knative logs
-ENV PYTHONUNBUFFERED True
 
-EXPOSE 8080
+FROM python:3.7
+
+RUN pip install virtualenv
+ENV VIRTUAL_ENV=/venv
+RUN virtualenv venv -p python3
+ENV PATH="VIRTUAL_ENV/bin:$PATH"
 
-# Copy local code to the container image.
-ENV APP_HOME /app
-WORKDIR $APP_HOME
-COPY . ./
+WORKDIR /app
+ADD . /app
 
-# Install production dependencies.
+# Install dependencies
 RUN pip install -r requirements.txt
 
-# Run the web service on container startup. Here we use the gunicorn
-# webserver, with one worker process and 8 threads.
-# For environments with multiple CPU cores, increase the number of workers
-# to be equal to the cores available.
-# Timeout is set to 0 to disable the timeouts of the workers to allow Cloud Run to handle instance scaling.
-CMD streamlit run --server.port 8080 --server.enableCORS false app.py
+# copying all files over
+COPY . /app
+
+# Expose port 
+ENV PORT 8501
+
+# cmd to launch app when container is run
+CMD streamlit run app.py
+
+# streamlit-specific commands for config
+ENV LC_ALL=C.UTF-8
+ENV LANG=C.UTF-8
+RUN mkdir -p /root/.streamlit
+RUN bash -c 'echo -e "\
+[general]\n\
+email = \"\"\n\
+" > /root/.streamlit/credentials.toml'
+
+RUN bash -c 'echo -e "\
+[server]\n\
+enableCORS = false\n\
+" > /root/.streamlit/config.toml'