[FIX] no clean up, no special user

Dockerfile

@@ -16,33 +16,23 @@ RUN apt-get update \
     libxss1 \
     google-chrome-stable \
     fonts-ipafont-gothic fonts-wqy-zenhei fonts-thai-tlwg fonts-kacst fonts-freefont-ttf \
-  # Clean up
-  && apt-get purge --auto-remove -y wget gnupg \
   && rm -rf /var/lib/apt/lists/*
 
-# Set environment variable to skip the chromium download.
+# Set environment variable to skip the chromium download
 ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD true
-
-# Add user for running the application
-RUN groupadd -r pptruser \
- && useradd -r -g pptruser -G audio,video pptruser \
- && mkdir -p /home/pptruser/Downloads \
- && chown -R pptruser:pptruser /home/pptruser
+ENV PUPPETEER_SKIP_DOWNLOAD true
 
 WORKDIR /usr/src/app
 
-# Copy package.json and yarn.lock first to leverage Docker cache
-COPY --chown=pptruser:pptruser package.json yarn.lock ./
+# Copy package.json and yarn.lock
+COPY package.json yarn.lock ./
 
 # Install dependencies
 ARG NODE_ENV=production
 RUN yarn install --frozen-lockfile --production
 
 # Copy the application source code
-COPY --chown=pptruser:pptruser . .
-
-# Run the application as non-privileged user
-USER pptruser
+COPY . .
 
 EXPOSE 5017