27. Dockerizing Playwright Tests

Official Playwright Docker image Microsoft publishes a pre-built image with browsers and all system dependencies already installed, avoiding "works on my machine" issues caused by missing OS libraries. docker run -it --rm mcr.microsoft.com/playwright/python:v1.48.0-jammy /bin/bash Pointers: The version tag (v1.48.0 here) should match your installed playwright pip package version — a mismatch betwe

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Official Playwright Docker image

Microsoft publishes a pre-built image with browsers and all system dependencies already installed, avoiding "works on my machine" issues caused by missing OS libraries. Pointers: The version tag (v1.48.0 here) should match your installed playwright Python package's expected protocol version can cause obscure failures, so pin both deliberately rather than always pulling :latest.

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docker run -it --rm mcr.microsoft.com/playwright/python:v1.48.0-jammy /bin/bash

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Official Playwright Docker image
WORKDIR /app
RUN pip install -r requirements.txt
FROM <image>
WORKDIR, COPY, RUN, CMD (standard Dockerfile instructions)

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