diff --git a/Dockerfile b/Dockerfile
index dd9c080..faff726 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,20 +1,31 @@
 FROM ubuntu:18.10
 
-RUN apt update && apt upgrade -y                                      && \
-    apt install -y curl jq graphviz webp imagemagick parallel         && \
-    apt install -y nodejs npm                                         && \
-    npm install -g n                                                  && \
-    n 10.16.3                                                         && \
-    rm -rf `which n`  &&  apt purge -y nodejs npm                     && \
-    apt autoremove -y &&  apt clean  &&  rm -rf /var/lib/apt/lists/*
-# Install system version of node.js and npm to install `n`, 
+# Install system node.js and npm using apt to install `n`,
 # then install the specific version of node.js using `n`.
 # After installing node.js, uninstall `n`, system node.js and npm.
 # See this article for details: https://qiita.com/seibe/items/36cef7df85fe2cefa3ea
+# Then, install Puppeteer's dependencies and Puppeteer.
+# See the following URL for the list of Puppeteer's dependencies:
+# https://github.com/GoogleChrome/puppeteer/blob/93843592da58efcb28cf740dd7dbfa9f04061fc8/docs/troubleshooting.md
+RUN apt update && apt upgrade -y                                            && \
+    apt install -y curl jq graphviz webp imagemagick parallel               && \
+    apt install -y nodejs npm                                               && \
+    npm install -g n  &&  n 10.16.3                                         && \
+    rm -rf `which n`  &&  apt purge -y nodejs npm                           && \
+    apt install -y gconf-service libasound2 libatk1.0-0 libatk-bridge2.0-0     \
+        libc6 libcairo2 libcups2 libdbus-1-3 libexpat1 libfontconfig1          \
+        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                                          && \
+    apt autoremove -y &&  apt clean  &&  rm -rf /var/lib/apt/lists/*
 
 # Modify /etc/ImageMagick-6/policy.xml so that ImageMagick can use full of resources of this machine.
 RUN cp /etc/ImageMagick-6/policy.xml /etc/ImageMagick-6/policy.xml.bak                    && \
     perl -npe '!/^\s*<!--\s/ and / domain="resource" / and chomp and $_="<!-- $_ -->\n"'     \
          < /etc/ImageMagick-6/policy.xml.bak > /etc/ImageMagick-6/policy.xml
 
+WORKDIR /app
 CMD ["bash", "-l"]