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The Bitwarden Core project contains the APIs, database, and other infrastructure items needed for the "backend" of all bitwarden client applications.

The core infrastructure is written in C# using .NET Core with ASP.NET Core. The database is written in T-SQL/SQL Server. The codebase can be developed, built, run, and deployed cross-platform on Windows, macOS, and Linux distributions.



These dependencies are free to use.

Recommended Development Tooling

These tools are free to use.


cd src/Api
dotnet restore
dotnet build
dotnet run

visit http://localhost:5000/alive


cd src/Identity
dotnet restore
dotnet build
dotnet run

visit http://localhost:33657/.well-known/openid-configuration



You can deploy Bitwarden using Docker containers on Windows, macOS, and Linux distributions. Use the provided PowerShell and Bash scripts to get started quickly. Find all of the Bitwarden images on Docker Hub.

Full documentation for deploying Bitwarden with Docker can be found in our help center at: https://help.bitwarden.com/article/install-on-premise/


These dependencies are free to use.

Linux & macOS

curl -s -o bitwarden.sh \
    https://raw.githubusercontent.com/bitwarden/core/master/scripts/bitwarden.sh \
    && chmod +x bitwarden.sh
./bitwarden.sh install
./bitwarden.sh start
./bitwarden.sh updatedb


Invoke-RestMethod -OutFile bitwarden.ps1 `
    -Uri https://raw.githubusercontent.com/bitwarden/core/master/scripts/bitwarden.ps1
.\bitwarden.ps1 -install
.\bitwarden.ps1 -start
.\bitwarden.ps1 -updatedb


Code contributions are welcome! Visual Studio or VS Code is highly recommended if you are working on this project. Please commit any pull requests against the master branch.

Security audits and feedback are welcome. Please open an issue or email us privately if the report is sensitive in nature. You can read our security policy in the SECURITY.md file. We also run a program on HackerOne.