Add Github Copilot setup steps for SQL Server (#37496)

Author: roji

.github/workflows/copilot-setup-steps.yml

@@ -0,0 +1,52 @@
+name: "Copilot Setup Steps"
+
+# Based on https://docs.github.com/en/copilot/how-tos/use-copilot-agents/coding-agent/customize-the-agent-environment
+
+# Automatically run the setup steps when they are changed to allow for easy validation, and
+# allow manual testing through the repository's "Actions" tab
+on:
+  workflow_dispatch:
+  push:
+    paths:
+      - .github/workflows/copilot-setup-steps.yml
+  pull_request:
+    paths:
+      - .github/workflows/copilot-setup-steps.yml
+
+jobs:
+  # The job MUST be called `copilot-setup-steps` or it will not be picked up by Copilot.
+  copilot-setup-steps:
+    runs-on: ubuntu-latest
+
+    # Install SQL Server via a docker container.
+    # It's better to do this rather than e.g. use a testcontainer, because then the agent can reuse the same container
+    # and instance of SQL Server rather than have to start it up each time it needs to iterate and run a test.
+    services:
+      mssql:
+        image: mcr.microsoft.com/mssql/server:2025-latest
+        env:
+          ACCEPT_EULA: "Y"
+          SA_PASSWORD: ${{ secrets.MSSQL_SA_PASSWORD }}
+        ports:
+          - 1433:1433
+        options: >-
+          --health-cmd="/opt/mssql-tools18/bin/sqlcmd -S localhost -U sa -P \$SA_PASSWORD -Q \"SELECT 1\" -C"
+          --health-start-period=20s
+          --health-interval=2s
+          --health-retries=30
+          --health-timeout=5s
+
+    permissions:
+      contents: read
+
+    # You can define any steps you want, and they will run before the agent starts.
+    # If you do not check out your code, Copilot will do this for you.
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+
+      - name: Restore
+        run: ./restore.sh
+
+      - name: Export SQL Server connection string for the agent's session
+        run: echo "Test__SqlServer__DefaultConnection=Server=localhost;Database=master;User=SA;Password=${{ secrets.MSSQL_SA_PASSWORD }};Connect Timeout=60;ConnectRetryCount=0;Trust Server Certificate=true" >> "$GITHUB_ENV"

EFCore.slnx

@@ -1,7 +1,6 @@
 <Solution>
   <Folder Name="/Solution Items/">
     <File Path=".editorconfig" />
-    <File Path=".github/copilot-instructions.md" />
     <File Path="azure-pipelines-internal-tests.yml" />
     <File Path="azure-pipelines-public.yml" />
     <File Path="azure-pipelines.yml" />
@@ -13,6 +12,14 @@
     <File Path="NuGet.config" />
     <File Path="tools/Resources.tt" />
   </Folder>
+  <Folder Name="/.github/">
+    <File Path=".github/copilot-instructions.md" />
+  </Folder>
+  <Folder Name="/.github/workflows/">
+    <File Path=".github/workflows/copilot-setup-steps.yml" />
+    <File Path=".github/workflows/inter-branch-merge-flow.yml" />
+    <File Path=".github/workflows/TestCosmos.yaml" />
+  </Folder>
   <Folder Name="/src/">
     <File Path="src/Directory.Build.props" />
     <Project Path="src/dotnet-ef/dotnet-ef.csproj" />