improve + fix dockerfile

Dockerfile

-FROM python:3.10
+FROM python:3.10 as base
 
-RUN mkdir /app
-WORKDIR /app
+# Setup env
+ENV LANG C.UTF-8
+ENV LC_ALL C.UTF-8
+ENV PYTHONDONTWRITEBYTECODE 1
+ENV PYTHONFAULTHANDLER 1
+ENV DEBIAN_FRONTEND noninteractive
 
-RUN curl -fsSL https://deb.nodesource.com/setup_19.x | bash -
-RUN apt-get install nodejs && rm -rf /var/lib/apt/lists/*
-
-COPY . .
+FROM base AS python-deps
 
 # Install pipenv and compilation dependencies
 RUN pip install -U virtualenv pipenv
@@ -19,9 +20,20 @@ COPY Pipfile.lock .
 RUN PIPENV_VENV_IN_PROJECT=1 pipenv install --deploy
 RUN PIPENV_VENV_IN_PROJECT=1 pipenv install gunicorn
 
+FROM base AS runtime
+
+# Copy virtual env from python-deps stage
+COPY --from=python-deps /.venv /.venv
+ENV PATH="/.venv/bin:$PATH"
+
+# Create app workdir
+RUN mkdir /app
+WORKDIR /app
+COPY . .
 RUN bash -c "adduser --disabled-login --quiet --gecos app app &&  \
              chmod -R o+r /app/ && \
              chmod o+x /app/run.sh"
 USER app
 
+# Expose main port
 EXPOSE 8080

VERSION

-1.6.6
+1.6.7