fix dotnet tools missing in migration bundle in cd

VigilCareClinicalAPI/Dockerfile

@@ -1,4 +1,7 @@
-FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+# Multi-stage API image + EF migration bundle.
+#   docker build -f VigilCareClinicalAPI/Dockerfile .                  → runtime (default)
+#   docker build -f VigilCareClinicalAPI/Dockerfile --target migrate . → /out/migrate-api
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS src
 WORKDIR /src
 
 # Restore layer — copy only project files so NuGet restore is cached
@@ -12,6 +15,8 @@ RUN dotnet restore VigilCareClinicalAPI/VigilCareClinicalAPI.csproj
 COPY VigilCare.ClinicalContracts/ VigilCare.ClinicalContracts/
 COPY VigilCare.Simulation.Core/ VigilCare.Simulation.Core/
 COPY VigilCareClinicalAPI/ VigilCareClinicalAPI/
+
+FROM src AS build
 RUN dotnet publish VigilCareClinicalAPI/VigilCareClinicalAPI.csproj \
     -c Release -o /app/publish --no-restore
 
@@ -24,6 +29,21 @@ RUN sed -i \
       -e 's/"ApiKey": "dev-integration[^"]*"/"ApiKey": ""/' \
       /app/publish/appsettings.json
 
+# Self-contained EF bundle for CD (docker build --target migrate).
+# Prefer docker build over docker run -v on act_runner — bind mounts resolve
+# on the Docker host, not the job workspace.
+FROM src AS migrate
+RUN dotnet tool install --global dotnet-ef --version 8.0.4 \
+ && export PATH="$PATH:/root/.dotnet/tools" \
+ && mkdir -p /out \
+ && dotnet ef migrations bundle \
+      --project VigilCareClinicalAPI \
+      --startup-project VigilCareClinicalAPI \
+      --configuration Release \
+      --self-contained -r linux-x64 \
+      --output /out/migrate-api \
+      --force
+
 FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS runtime
 WORKDIR /app