Create Dockerfile

Dockerfile

@@ -0,0 +1,44 @@
+# temporary building stage
+FROM python:3.8.5-slim as builder
+
+# install system dependencies
+RUN apt-get update
+RUN apt-get install -y --no-install-recommends build-essential gcc
+RUN apt-get install -y git
+
+WORKDIR /usr/service
+
+# create a virtual environment for python
+RUN python -m venv /usr/service/venv
+ENV PATH="/usr/service/venv/bin:$PATH"
+
+# install python packages into virtual environment
+COPY requirements.txt .
+RUN pip install -r requirements.txt --no-cache-dir
+RUN pip install pygco==0.0.16
+
+# final stage
+FROM python:3.8.5-slim@sha256:0e07cc072353e6b10de910d8acffa020a42467112ae6610aa90d6a3c56a74911
+
+RUN apt-get update
+
+# create a high-privileged user called "python"
+RUN useradd -o -r -u 0 python
+
+# make the service directory and give "python" user access rights to the directory
+RUN mkdir /usr/service && chown python:python /usr/service
+WORKDIR /usr/service
+
+# copy python environment and source files to service directory, and give "python" user
+# access rights to these files.
+COPY --chown=python:python --from=builder /usr/service/venv venv
+COPY --chown=python:python apps/demo apps/demo
+
+# use the high-privileged "python" user
+USER 0
+
+# use python environment and start service
+EXPOSE 8080
+ENV PATH="/usr/service/venv/bin:$PATH"
+ENV PYTHONPATH=.
+CMD ["streamlit", "run", "apps/demo/ⓘ_Introduction.py", "--server.port", "8080"]