Slimmed Playwright image

Dockerfile

FROM node:18-slim as builder
ARG PLAYWRIGHT_VERSION
ARG PLAYWRIGHT_BROWSERS_PATH=/ms-playwright
RUN npx playwright@${PLAYWRIGHT_VERSION} install chromium
FROM node:18-slim as runner
ARG PLAYWRIGHT_VERSION
ARG PLAYWRIGHT_BROWSERS_PATH=/ms-playwright
COPY --from=builder /ms-playwright /ms-playwright
RUN npx playwright@${PLAYWRIGHT_VERSION} install-deps chromium
USER node
WORKDIR /home/node
RUN npm install http-proxy playwright-core@${PLAYWRIGHT_VERSION}
COPY start.* .
EXPOSE 3000 8000 9222
CMD ["./start.sh"]

start.js

const pw = require('playwright')
const httpProxy = require('http-proxy')
;(async () => {
  const browserServer = await pw.chromium.launchServer({ port: 3000 })
  const wsEndpoint = browserServer.wsEndpoint()
  httpProxy
    .createProxyServer({ target: wsEndpoint, ws: true, ignorePath: true })
    .listen(8000)
  console.log(wsEndpoint)
  return wsEndpoint
})()

start.sh

#!/bin/sh
node "$(dirname $0)/start.js"