Create Dockerfile

Dockerfile

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+# Dockerfile
+FROM node:16
+
+# Install latest chrome dev package and fonts to support major charsets
+RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
+    && sh -c 'echo "deb [arch=amd64] http://dl.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-kacst fonts-freefont-ttf libxss1 \
+    --no-install-recommends \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /usr/src/app
+
+# Add user so we don't need --no-sandbox.
+RUN groupadd -r pptruser && useradd -r -g pptruser -G audio,video pptruser \
+    && mkdir -p /home/pptruser/Downloads \
+    && chown -R pptruser:pptruser /home/pptruser
+
+# Install app dependencies
+COPY package*.json ./
+RUN npm install
+
+# Bundle app source
+COPY . .
+
+# Set correct permissions
+RUN chown -R pptruser:pptruser /usr/src/app
+
+# Create a directory for temporary files with correct permissions
+RUN mkdir -p /tmp/marp-work && chown -R pptruser:pptruser /tmp/marp-work && chmod -R 777 /tmp/marp-work
+
+# Run everything after as non-privileged user.
+USER pptruser
+
+EXPOSE 7860
+
+CMD ["node", "server.js"]