print pdf with chrome

Dockerfile

@@ -46,6 +46,7 @@ RUN apt-get --yes --force-yes  install ca-certificates cups cups-filters libcups
 
 WORKDIR /usr/src/app
 EXPOSE 631
+EXPOSE 5000
 # Add user and disable sudo password checking
 RUN useradd \
   --groups=sudo,lp,lpadmin \
@@ -56,11 +57,29 @@ RUN useradd \
   print \
 && sed -i '/%sudo[[:space:]]/ s/ALL[[:space:]]*$/NOPASSWD:ALL/' /etc/sudoers
 
+# Print PDF
+RUN apt-get update && apt-get install -y \
+    apt-transport-https \
+    ca-certificates \
+    curl \
+    gnupg \
+    --no-install-recommends \
+    && curl -sSL https://dl.google.com/linux/linux_signing_key.pub | apt-key add - \
+    && echo "deb [arch=amd64] https://dl.google.com/linux/chrome/deb/ stable main" > /etc/apt/sources.list.d/google-chrome.list \
+    && apt-get update && apt-get install -y \
+    google-chrome-stable \
+    --no-install-recommends
+
+# It won't run from the root user.
+RUN groupadd chrome && useradd -g chrome -s /bin/bash -G audio,video chrome \
+    && mkdir -p /home/chrome && chown -R chrome:chrome /home/chrome
+
 COPY requirements.txt ./
 RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir waitress
 
 COPY ./app .
 COPY *.crt /usr/local/share/ca-certificates/
 RUN update-ca-certificates
 
-CMD [ "sh","-c","/etc/init.d/cups start && python3 /usr/src/app/app.py" ]
+CMD [ "sh","-c","/etc/init.d/cups start && waitress-serve --port=5000 app:app && python3 exchange_connect.py" ]