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feat(examples): Introduce Playwright (Chromium) example with Node
Introduce a Playwright (Chromium) example to be deployed on Unikraft Cloud with Node. It uses the `base-compat:latest` image. Add: * `Kraftfile`: build / run rules * `Dockerfile`: placeholder to extract the filesystem * `package.json`: NPM configuration file * `server.js`: implementation of Node server * `wrapper.sh`: helper script to start the Node server * `README.md`: document how to use * `.dockerignore` / `.gitignore`: ignore generated files Signed-off-by: Razvan Deaconescu <[email protected]>
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‎node-playwright-chromium/.dockerignore

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/node_modules/
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/.unikraft/
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/*.png

‎node-playwright-chromium/.gitignore

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/node_modules/
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/.unikraft/
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/*.png

‎node-playwright-chromium/Dockerfile

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FROM debian:bookworm AS build
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ARG NODE_VERSION=22.8.0
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RUN set -xe; \
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apt-get -yqq update; \
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apt-get -yqq install \
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libcups2 \
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libnss3 \
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libatk1.0-0 \
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libnspr4 \
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libpango1.0-0 \
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libasound2 \
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libatspi2.0-0 \
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libxdamage1 \
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libatk-bridge2.0-0 \
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libxkbcommon0 \
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libdrm2 \
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libxcomposite1 \
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libxfixes3 \
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libxrandr2 \
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libgbm1; \
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apt-get -yqq install \
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ca-certificates \
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curl \
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build-essential \
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libssl-dev \
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git \
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;
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RUN set -xe; \
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curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/master/install.sh | bash; \
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. ~/.bashrc; \
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nvm install ${NODE_VERSION} \
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;
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WORKDIR /app
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COPY package* .
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RUN set -xe; \
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. ~/.bashrc; \
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npm install \
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;
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RUN mkdir /home/tmp
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FROM scratch
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ARG NODE_VERSION=22.8.0
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# Create required directories.
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COPY --from=build /home/tmp /tmp
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# Chrome binary
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COPY --from=build /root/.cache/ms-playwright /root/.cache/ms-playwright
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# Chrome libraries
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COPY --from=build /lib/x86_64-linux-gnu/libdl.so.2 \
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/lib/x86_64-linux-gnu/libpthread.so.0 \
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/lib/x86_64-linux-gnu/libgobject-2.0.so.0 \
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/lib/x86_64-linux-gnu/libglib-2.0.so.0 \
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/lib/x86_64-linux-gnu/libnss3.so \
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/lib/x86_64-linux-gnu/libnssutil3.so \
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/lib/x86_64-linux-gnu/libsmime3.so \
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/lib/x86_64-linux-gnu/libnspr4.so \
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/lib/x86_64-linux-gnu/libatk-1.0.so.0 \
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/lib/x86_64-linux-gnu/libatk-bridge-2.0.so.0 \
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/lib/x86_64-linux-gnu/libcups.so.2 \
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/lib/x86_64-linux-gnu/libgio-2.0.so.0 \
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/lib/x86_64-linux-gnu/libdrm.so.2 \
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/lib/x86_64-linux-gnu/libdbus-1.so.3 \
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/lib/x86_64-linux-gnu/libexpat.so.1 \
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/lib/x86_64-linux-gnu/libxcb.so.1 \
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/lib/x86_64-linux-gnu/libxkbcommon.so.0 \
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/lib/x86_64-linux-gnu/libatspi.so.0 \
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/lib/x86_64-linux-gnu/libm.so.6 \
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/lib/x86_64-linux-gnu/libX11.so.6 \
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/lib/x86_64-linux-gnu/libXcomposite.so.1 \
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/lib/x86_64-linux-gnu/libXdamage.so.1 \
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/lib/x86_64-linux-gnu/libXext.so.6 \
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/lib/x86_64-linux-gnu/libXfixes.so.3 \
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/lib/x86_64-linux-gnu/libXrandr.so.2 \
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/lib/x86_64-linux-gnu/libgbm.so.1 \
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/lib/x86_64-linux-gnu/libpango-1.0.so.0 \
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/lib/x86_64-linux-gnu/libcairo.so.2 \
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/lib/x86_64-linux-gnu/libasound.so.2 \
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/lib/x86_64-linux-gnu/libgcc_s.so.1 \
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/lib/x86_64-linux-gnu/libc.so.6 \
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/lib/x86_64-linux-gnu/libffi.so.8 \
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/lib/x86_64-linux-gnu/libpcre2-8.so.0 \
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/lib/x86_64-linux-gnu/libplc4.so \
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/lib/x86_64-linux-gnu/libplds4.so \
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/lib/x86_64-linux-gnu/libgssapi_krb5.so.2 \
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/lib/x86_64-linux-gnu/libavahi-common.so.3 \
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/lib/x86_64-linux-gnu/libavahi-client.so.3 \
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/lib/x86_64-linux-gnu/libgnutls.so.30 \
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/lib/x86_64-linux-gnu/libz.so.1 \
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/lib/x86_64-linux-gnu/libgmodule-2.0.so.0 \
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/lib/x86_64-linux-gnu/libmount.so.1 \
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/lib/x86_64-linux-gnu/libselinux.so.1 \
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/lib/x86_64-linux-gnu/libsystemd.so.0 \
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/lib/x86_64-linux-gnu/libXau.so.6 \
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/lib/x86_64-linux-gnu/libXdmcp.so.6 \
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/lib/x86_64-linux-gnu/libXi.so.6 \
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/lib/x86_64-linux-gnu/libXrender.so.1 \
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/lib/x86_64-linux-gnu/libwayland-server.so.0 \
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/lib/x86_64-linux-gnu/libfribidi.so.0 \
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/lib/x86_64-linux-gnu/libthai.so.0 \
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/lib/x86_64-linux-gnu/libharfbuzz.so.0 \
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/lib/x86_64-linux-gnu/libpixman-1.so.0 \
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/lib/x86_64-linux-gnu/libfontconfig.so.1 \
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/lib/x86_64-linux-gnu/libfreetype.so.6 \
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/lib/x86_64-linux-gnu/libpng16.so.16 \
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/lib/x86_64-linux-gnu/libxcb-shm.so.0 \
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/lib/x86_64-linux-gnu/libxcb-render.so.0 \
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/lib/x86_64-linux-gnu/libkrb5.so.3 \
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/lib/x86_64-linux-gnu/libk5crypto.so.3 \
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/lib/x86_64-linux-gnu/libcom_err.so.2 \
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/lib/x86_64-linux-gnu/libkrb5support.so.0 \
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/lib/x86_64-linux-gnu/libp11-kit.so.0 \
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/lib/x86_64-linux-gnu/libidn2.so.0 \
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/lib/x86_64-linux-gnu/libunistring.so.2 \
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/lib/x86_64-linux-gnu/libtasn1.so.6 \
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/lib/x86_64-linux-gnu/libnettle.so.8 \
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/lib/x86_64-linux-gnu/libhogweed.so.6 \
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/lib/x86_64-linux-gnu/libgmp.so.10 \
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/lib/x86_64-linux-gnu/libblkid.so.1 \
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/lib/x86_64-linux-gnu/libcap.so.2 \
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/lib/x86_64-linux-gnu/libgcrypt.so.20 \
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/lib/x86_64-linux-gnu/liblzma.so.5 \
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/lib/x86_64-linux-gnu/libzstd.so.1 \
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/lib/x86_64-linux-gnu/liblz4.so.1 \
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/lib/x86_64-linux-gnu/libbsd.so.0 \
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/lib/x86_64-linux-gnu/libdatrie.so.1 \
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/lib/x86_64-linux-gnu/libgraphite2.so.3 \
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/lib/x86_64-linux-gnu/libbrotlidec.so.1 \
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/lib/x86_64-linux-gnu/libkeyutils.so.1 \
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/lib/x86_64-linux-gnu/libresolv.so.2 \
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/lib/x86_64-linux-gnu/libgpg-error.so.0 \
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/lib/x86_64-linux-gnu/libmd.so.0 \
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/lib/x86_64-linux-gnu/libbrotlicommon.so.1 \
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/lib/x86_64-linux-gnu/libXcomposite.so.1 \
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/lib/x86_64-linux-gnu/libXfixes.so.3 \
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/lib/x86_64-linux-gnu/libXrandr.so.2 \
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/lib/x86_64-linux-gnu/libgbm.so.1 \
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/lib/x86_64-linux-gnu/
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# Other Chrome-related libraries
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COPY --from=build /usr/lib/x86_64-linux-gnu/libsoftokn3.so \
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/usr/lib/x86_64-linux-gnu/libsqlite3.so.0 \
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/usr/lib/x86_64-linux-gnu/libudev.so.1 \
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/usr/lib/x86_64-linux-gnu/libfreebl3.so \
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/usr/lib/x86_64-linux-gnu/libfreeblpriv3.so \
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/usr/lib/x86_64-linux-gnu/libudev.so.1.7.5 \
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/usr/lib/x86_64-linux-gnu/
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# Node binary
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COPY --from=build /root/.nvm/versions/node/v${NODE_VERSION}/bin/node /usr/bin/node
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# System libraries
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COPY --from=build /lib/x86_64-linux-gnu/libc.so.6 \
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/lib/x86_64-linux-gnu/libz.so.1 \
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/lib/x86_64-linux-gnu/libbrotlidec.so.1 \
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/lib/x86_64-linux-gnu/libbrotlienc.so.1 \
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/lib/x86_64-linux-gnu/libnghttp2.so.14 \
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/lib/x86_64-linux-gnu/libcrypto.so.3 \
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/lib/x86_64-linux-gnu/libssl.so.3 \
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/lib/x86_64-linux-gnu/libicui18n.so.72 \
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/lib/x86_64-linux-gnu/libicuuc.so.72 \
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/lib/x86_64-linux-gnu/libstdc++.so.6 \
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/lib/x86_64-linux-gnu/libm.so.6 \
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/lib/x86_64-linux-gnu/libgcc_s.so.1 \
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/lib/x86_64-linux-gnu/libpthread.so.0 \
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/lib/x86_64-linux-gnu/libdl.so.2 \
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/lib/x86_64-linux-gnu/libbrotlicommon.so.1 \
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/lib/x86_64-linux-gnu/libicudata.so.72 \
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/lib/x86_64-linux-gnu/librt.so.1 \
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/lib/x86_64-linux-gnu/libtinfo.so.6 \
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/lib/x86_64-linux-gnu/libproc2.so.0 \
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/lib/x86_64-linux-gnu/
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COPY --from=build /lib64/ld-linux-x86-64.so.2 /lib64/ld-linux-x86-64.so.2
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COPY --from=build /etc/ld.so.cache /etc/ld.so.cache
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# Dbus and system files
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COPY --from=build /usr/lib/dbus-1.0 /usr/lib/dbus-1.0
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COPY --from=build /usr/lib/systemd /usr/lib/systemd
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COPY --from=build /usr/lib/tmpfiles.d /usr/lib/tmpfiles.d
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COPY --from=build /usr/lib/sysusers.d /usr/lib/sysusers.d
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COPY --from=build /usr/lib/sysctl.d /usr/lib/sysctl.d
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# Data files
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COPY --from=build /usr/share/fonts /usr/share/fonts
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COPY --from=build /run /run
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# Distro definition
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COPY --from=build /etc/os-release /etc/os-release
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COPY --from=build /usr/lib/os-release /usr/lib/os-release
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# Configuration files
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COPY --from=build /etc /etc
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# Node modules, including Puppeteer and application
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COPY --from=build /app /app
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# Required by wrapper script
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COPY --from=build /bin/sh /bin/sh
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# Required by Playwright / Chrome
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COPY --from=build /usr/bin/ps /usr/bin/ps
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# Actual server implementation
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COPY ./server.js /app/server.js
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# Wrapper script set environment
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COPY ./wrapper.sh /usr/bin/wrapper.sh

‎node-playwright-chromium/Kraftfile

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spec: v0.6
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runtime: base-compat:latest
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labels:
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cloud.unikraft.v1.instances/scale_to_zero.policy: "idle"
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cloud.unikraft.v1.instances/scale_to_zero.stateful: "true"
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cloud.unikraft.v1.instances/scale_to_zero.cooldown_time_ms: 1000
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rootfs: ./Dockerfile
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cmd: ["/usr/bin/wrapper.sh", "/usr/bin/node", "/app/server.js"]

‎node-playwright-chromium/README.md

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# Playwright (Chromium) with Node.js on Unikraft Cloud
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[Playwright](https://playwright.dev/) is a framework for web testing and Automation.
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To run Playwright (Chromium) with Node.js on Unikraft Cloud, first [install the `kraft` CLI tool](https://unikraft.org/docs/cli).
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Then clone this repository and `cd` into this directory, and invoke:
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```console
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kraft cloud deploy -M 4096 -p 443:8080 .
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```
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The command will deploy the files in the current directory.
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It results in the creation of a remote web-based service for creating PNG screenshots of remote pages.
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Use the `?page=<REMOTE_URL>` to point the service to the remote page to screenshot.
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Query the service using commands such as:
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```console
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curl https://<NAME>.<METRO>.kraft.host/?page=https://google.com -o ss-google.png
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curl https://<NAME>.<METRO>.kraft.host/?page=https://bing.com -o ss-bing.png
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```
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## Learn more
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- [Playwright's Documentation](https://playwright.dev/docs/intro)
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- [Unikraft Cloud's Documentation](https://unikraft.cloud/docs/)
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- [Building `Dockerfile` Images with `Buildkit`](https://unikraft.org/guides/building-dockerfile-images-with-buildkit)

‎node-playwright-chromium/package-lock.json

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‎node-playwright-chromium/package.json

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{
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"dependencies": {
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"playwright": "^1.47.0",
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"playwright-chromium": "^1.47.0"
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}
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}

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