Each test container instance runs against its own dedicated SQL Server container instance, each are torn down at the end of the testĪnother scenario – making private SQL Server instances more readily available to Mac developers: Mac Developer Scenario: SQL Server Local Instance easily installed.Docker containers are spun up on-demand on a pool of generic VMs – nothing to install on the generic VMs except docker (and build server agent) – no dependency on external sql server instance.Docker images are CI-built when source code and / or dockerfile changes (SQL Server image to be rebuilt at most once / week, mainly to pull latest OS and SQL Server updates to image). The simplified environment diagram above shows how containers are envisioned to be used in the automated build / test environment: Automation Server Scenario: SQL Server Database Instance private to each test run To dive immediately into how to create a Dockerized SQL Server, see: Windows Server 2016 Support for Docker Containers. For projects using Windows-based SQL Server, there had been no Container option until the advent of Windows Server 2016, now available in preview (TP5). Some applications use MySQL, PostgreSQL or MongoDB, which are supported as Docker Linux Containers. I lead an automation group where we need to easily spin up and down multiple locally-administered database instances, in support of automated testing of web and other applications.
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