Updated dockerfile

Dockerfile

@@ -8,6 +8,11 @@ RUN apt-get update \
         ca-certificates \
         gnupg2 \
         libfontconfig \
+    && apt-get -y install xvfb gconf-service libasound2 libatk1.0-0 libc6 libcairo2 libcups2 \
+      libdbus-1-3 libexpat1 libfontconfig1 libgbm1 libgcc1 libgconf-2-4 libgdk-pixbuf2.0-0 libglib2.0-0 \
+      libgtk-3-0 libnspr4 libpango-1.0-0 libpangocairo-1.0-0 libstdc++6 libx11-6 libx11-xcb1 libxcb1 \
+      libxcomposite1 libxcursor1 libxdamage1 libxext6 libxfixes3 libxi6 libxrandr2 libxrender1 libxss1 \
+      libxtst6 ca-certificates fonts-liberation libappindicator1 libnss3 lsb-release xdg-utils wget && \
     && curl -sL https://deb.nodesource.com/setup_12.x | bash - \
     && apt-get install -y --no-install-recommends \
         nodejs \
@@ -16,44 +21,6 @@ RUN apt-get update \
     && rm -rf /var/lib/apt/lists/* \
     && npm -g install pm2
 
-RUN apt-get install -y --no-install-recommends \
-    fonts-liberation \
-    libappindicator3-1 \
-    libasound2 \
-    libatk-bridge2.0-0 \
-    libatk1.0-0 \
-    libc6 \
-    libcairo2 \
-    libcups2 \
-    libdbus-1-3 \
-    libexpat1 \
-    libfontconfig1 \
-    libgbm1 \
-    libgcc1 \
-    libglib2.0-0 \
-    libgtk-3-0 \
-    libnspr4 \
-    libnss3 \
-    libpango-1.0-0 \
-    libpangocairo-1.0-0 \
-    libstdc++6 \
-    libx11-6 \
-    libx11-xcb1 \
-    libxcb1 \
-    libxcomposite1 \
-    libxcursor1 \
-    libxdamage1 \
-    libxext6 \
-    libxfixes3 \
-    libxi6 \
-    libxrandr2 \
-    libxrender1 \
-    libxss1 \
-    libxtst6 \
-    lsb-release \
-    wget \
-    xdg-utils
-
 WORKDIR /salix
 COPY package.json package-lock.json ./
 COPY loopback/package.json loopback/