Playwright driver not found - Docker container

Question

I have created a Dockerfile for Azure Function that build and installs playwright into container. Install all the dependency related to Playwright. I tried with Playwright official image still it was giving same error. So I have installed Playwright CLI globally to install only chromium dependency

Below is a dockerfile

# Base image for Azure Functions .NET Isolated
FROM mcr.microsoft.com/azure-functions/dotnet-isolated:4-dotnet-isolated8.0 AS base
WORKDIR /home/site/wwwroot
EXPOSE 8080

RUN apt-get update -q && \
    apt-get install -y -qq --no-install-recommends \
        xvfb \
        libxcomposite1 \
        libxdamage1 \
        libatk1.0-0 \
        libasound2 \
        libdbus-1-3 \
        libnspr4 \
        libgbm1 \
        libatk-bridge2.0-0 \
        libcups2 \
        libxkbcommon0 \
        libatspi2.0-0 \
        libnss3 \
        libpango-1.0-0 \
        libcairo2 \
        libxrandr2

# Build stage for the service project
FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
ARG BUILD_CONFIGURATION=Release
WORKDIR /src
COPY ["FunctionApps/CheckImage/CheckImage.csproj", "FunctionApps/CheckImage/"]
COPY ["Libraries/HealthCheckHelper/HealthCheckHelper.csproj", "Libraries/HealthCheckHelper/"]
COPY ["Libraries/BlobHelper/BlobHelper.csproj", "Libraries/BlobHelper/"]

RUN dotnet restore "./FunctionApps/CheckImage/CheckImage.csproj"
COPY . .
WORKDIR "/src/FunctionApps/CheckImage"

RUN dotnet build "./CheckImage.csproj" -c $BUILD_CONFIGURATION -o /app/build

RUN dotnet tool install --global Microsoft.Playwright.CLI
ENV PATH="${PATH}:/root/.dotnet/tools"
RUN playwright install chromium

# Publish stage for the service project
FROM build AS publish
ARG BUILD_CONFIGURATION=Release
RUN dotnet publish "./CheckImage.csproj" -c $BUILD_CONFIGURATION -o /app/publish /p:UseAppHost=false

# Final stage - Using Playwright .NET image as the base for compatibility
FROM mcr.microsoft.com/playwright/dotnet:v1.51.0-noble AS final
WORKDIR /home/site/wwwroot

# Copy published application files
COPY --from=publish /app/publish .

# Install Playwright dependencies and Chromium
RUN apt-get update && apt-get install -y --no-install-recommends \
    && npx playwright install chromium \
    && npx playwright install-deps chromium \
    && rm -rf /var/lib/apt/lists/*

# Environment variables for Azure Functions
ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
    AzureFunctionsJobHost__Logging__Console__IsEnabled=true \
    PLAYWRIGHT_BROWSERS_PATH=/home/site/wwwroot/.playwright

While running in local it is giving me

2025-04-25 17:58:39 [2025-04-25T12:28:39.800Z] Driver not found: /home/site/wwwroot/bin/.playwright/node/linux-x64/node
2025-04-25 17:58:39 [2025-04-25T12:28:39.801Z] Result: Driver not found: /home/site/wwwroot/bin/.playwright/node/linux-x64/node
2025-04-25 17:58:39 [2025-04-25T12:28:39.801Z] Exception: Microsoft.Playwright.PlaywrightException: Driver not found: /home/site/wwwroot/bin/.playwright/node/linux-x64/node
2025-04-25 17:58:39 [2025-04-25T12:28:39.801Z]    at Microsoft.Playwright.Helpers.Driver.GetExecutablePath() in /_/src/Playwright/Helpers/Driver.cs:line 96
2025-04-25 17:58:39 [2025-04-25T12:28:39.801Z]    at Microsoft.Playwright.Transport.StdIOTransport.GetProcess(String driverArgs) in /_/src/Playwright/Transport/StdIOTransport.cs:line 116
2025-04-25 17:58:39 [2025-04-25T12:28:39.801Z]    at Microsoft.Playwright.Transport.StdIOTransport..ctor() in /_/src/Playwright/Transport/StdIOTransport.cs:line 46
2025-04-25 17:58:39 [2025-04-25T12:28:39.801Z]    at Microsoft.Playwright.Playwright.CreateAsync() in /_/src/Playwright/Playwright.cs:line 43
2025-04-25 17:58:39 [2025-04-25T12:28:39.801Z]    at CheckImage.ScanImage.CheckImage(HttpRequest req, String scanid) in D:\Projects\Dev-CheckImage\ProjectX\FunctionApps\CheckImage\CheckImage.cs:line 32
2025-04-25 17:58:39 [2025-04-25T12:28:39.801Z] Stack:    at Microsoft.Playwright.Helpers.Driver.GetExecutablePath() in /_/src/Playwright/Helpers/Driver.cs:line 96
2025-04-25 17:58:39 [2025-04-25T12:28:39.801Z]    at Microsoft.Playwright.Transport.StdIOTransport.GetProcess(String driverArgs) in /_/src/Playwright/Transport/StdIOTransport.cs:line 116
2025-04-25 17:58:39 [2025-04-25T12:28:39.801Z]    at Microsoft.Playwright.Transport.StdIOTransport..ctor() in /_/src/Playwright/Transport/StdIOTransport.cs:line 46
2025-04-25 17:58:39 [2025-04-25T12:28:39.801Z]    at Microsoft.Playwright.Playwright.CreateAsync() in /_/src/Playwright/Playwright.cs:line 43
2025-04-25 17:58:39 [2025-04-25T12:28:39.801Z]    at CheckImage.ScanImage.CheckImage(HttpRequest req, String scanid) in D:\Projects\Dev-CheckImage\ProjectX\FunctionApps\CheckImage\CheckImage.cs:line 32.

It seems it is not taking path of bin/Debug/net8.0. How do I make it such that it finds driver path.

Dasari Kamali · Accepted Answer · 2025-04-28 13:59:50Z

3

Driver not found: /home/site/wwwroot/bin/.playwright/node/linux-x64/node

To resolve above issue :

I have added the below lines to .csproj file.

.csproj :

<PropertyGroup>
  <PlaywrightPlatform>all</PlaywrightPlatform>
</PropertyGroup>

And I added the below lines to my code to install Playwright.

private static void PerformInitialPlaywrightInstall()
{
    try
    {
        var exitCode = Microsoft.Playwright.Program.Main(new[] { "install", "--with-deps", "chromium" });
        if (exitCode != 0)
        {
            throw new Exception($"Playwright installation failed with exit code {exitCode}");
        }
    }
    catch (Exception ex)
    {
        throw new Exception($"Error during Playwright installation: {ex.Message}");
    }
}

Function1.cs :

using Microsoft.Azure.Functions.Worker;
using Microsoft.Azure.Functions.Worker.Http;
using Microsoft.Extensions.Logging;
using Microsoft.Playwright;

namespace FunctionApp55.Functions
{
    public class Function1
    {
        private readonly ILogger _logger;
        public Function1(ILoggerFactory loggerFactory)
        {
            _logger = loggerFactory.CreateLogger<Function1>();
        }

        [Function("Function1")]
        public async Task<HttpResponseData> Run([HttpTrigger(AuthorizationLevel.Function, "get")] HttpRequestData req)
        {
            _logger.LogInformation("Playwright .NET function triggered.");
            var response = req.CreateResponse();

            try
            {
                PerformInitialPlaywrightInstall();
                using var playwright = await Playwright.CreateAsync();
                await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions
                {
                    Headless = true,
                    Args = new[] { "--no-sandbox", "--disable-setuid-sandbox", "--disable-gpu" }
                });
                var page = await browser.NewPageAsync();
                await page.GotoAsync("https://example.com", new PageGotoOptions { Timeout = 30000 });
                var screenshot = await page.ScreenshotAsync(new PageScreenshotOptions { FullPage = true });
                response.Headers.Add("Content-Type", "image/png");
                await response.Body.WriteAsync(screenshot, 0, screenshot.Length);

                return response;
            }
            catch (Exception ex)
            {
                _logger.LogError($"Error taking screenshot: {ex.Message}");
                response.StatusCode = System.Net.HttpStatusCode.InternalServerError;
                await response.WriteStringAsync("Failed to take screenshot.");
                return response;
            }
        }
        private static void PerformInitialPlaywrightInstall()
        {
            try
            {
                var exitCode = Microsoft.Playwright.Program.Main(new[] { "install", "--with-deps", "chromium" });
                if (exitCode != 0)
                {
                    throw new Exception($"Playwright installation failed with exit code {exitCode}");
                }
            }
            catch (Exception ex)
            {
                throw new Exception($"Error during Playwright installation: {ex.Message}");
            }
        }
    }
}

Dockerfile :

FROM mcr.microsoft.com/azure-functions/dotnet-isolated:4-dotnet-isolated8.0 AS base
WORKDIR /home/site/wwwroot
EXPOSE 8080

RUN apt-get update -q && \
    apt-get install -y -qq --no-install-recommends \
        xvfb \
        libxcomposite1 \
        libxdamage1 \
        libatk1.0-0 \
        libasound2 \
        libdbus-1-3 \
        libnspr4 \
        libgbm1 \
        libatk-bridge2.0-0 \
        libcups2 \
        libxkbcommon0 \
        libatspi2.0-0 \
        libnss3 \
        libpango-1.0-0 \
        libcairo2 \
        libxrandr2

FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
ARG BUILD_CONFIGURATION=Release
WORKDIR /src
COPY ["FunctionApp55.csproj", "./"]
RUN dotnet restore "./FunctionApp55.csproj"

COPY . .
WORKDIR "/src"

RUN dotnet build "./FunctionApp55.csproj" -c $BUILD_CONFIGURATION -o /app/build

RUN dotnet tool install --global Microsoft.Playwright.CLI
ENV PATH="${PATH}:/root/.dotnet/tools"

FROM build AS publish
ARG BUILD_CONFIGURATION=Release
RUN dotnet publish "./FunctionApp55.csproj" -c $BUILD_CONFIGURATION -o /app/publish /p:UseAppHost=false

FROM mcr.microsoft.com/playwright/dotnet:v1.51.0-noble AS final
WORKDIR /home/site/wwwroot
COPY --from=publish /app/publish .

ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
    AzureFunctionsJobHost__Logging__Console__IsEnabled=true \
    PLAYWRIGHT_BROWSERS_PATH=/home/site/wwwroot/.playwright

logs :

enter image description here

Output :

enter image description here

Reference : 1. Getting started - Library | Playwright .NET 2. [BUG] Driver not found: /app/bin/.playwright/node/linux-x64/playwright.sh · Issue #2619 · microsoft/playwright-dotnet

answered Apr 28 at 13:59

Dasari Kamali

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6 Comments

JOYBOY Apr 29 at 12:52

Hey Thank You @DasariKamali. I've used given Dockerfile but while running this dockerfile it is not starting function. Just showing file system of container.

Dasari Kamali Apr 29 at 12:59

Have you tried using the above function code to install the Playwrite?

JOYBOY Apr 29 at 13:00

Yes, see i.imgur.com/5A3QTCh.png this for better idea.

Dasari Kamali Apr 29 at 13:16

Try to run the image using docker run -p 8080:80 <imageName> or using the Container run button in your function's project.

JOYBOY Apr 29 at 13:26

Tried both way it starts and automatically closes. Error is something Function:Worker:HostEndpoint not found. I don't how to resolve in docker. In local, it is easy to add localsettings.json file

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