Add pupeteer dependencies

apps/backend/Dockerfile

@@ -46,6 +46,21 @@ RUN chown -R backend:lems .
 # RUN echo $MONGO_CA_CERTIFICATE > /root/mongo-ca-certificate.crt
 # RUN chown backend:lems /root/mongo-ca-certificate.crt
 
+# Puppeteer docker file requirements. See here: https://pptr.dev/troubleshooting#running-puppeteer-in-docker
+# Install latest chrome dev package and fonts to support major charsets (Chinese, Japanese, Arabic, Hebrew, Thai and a few others)
+# Note: this installs the necessary libs to make the bundled version of Chrome that Puppeteer
+# installs, work.
+RUN apt-get update \
+    && apt-get install -y wget gnupg \
+    && wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | gpg --dearmor -o /usr/share/keyrings/googlechrome-linux-keyring.gpg \
+    && sh -c 'echo "deb [arch=amd64 signed-by=/usr/share/keyrings/googlechrome-linux-keyring.gpg] https://dl-ssl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list' \
+    && apt-get update \
+    && apt-get install -y google-chrome-stable fonts-ipafont-gothic fonts-wqy-zenhei fonts-thai-tlwg fonts-khmeros fonts-kacst fonts-freefont-ttf libxss1 dbus dbus-x11 \
+      --no-install-recommends \
+    && service dbus start \
+    && rm -rf /var/lib/apt/lists/* \
+    && groupadd -r pptruser && useradd -rm -g pptruser -G audio,video pptruser
+
 WORKDIR /app/backend
 RUN npm i --omit=dev