diff --git a/BUILDING.md b/BUILDING.md
index 7bddc93c..8a7e1ce3 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -11,10 +11,11 @@ To build the `container` project, you need:
 
 ## Compile and test
 
-Build `container` and the background services from source, and run basic and integration tests:
+Build `container` and the background services from source, and run basic and integration tests in an isolated application data directory:
 
 ```bash
-make all test integration
+rm -rf test-data
+make APP_ROOT=test-data all test integration
 ```
 
 Copy the binaries to `/usr/local/bin` and `/usr/local/libexec` (requires entering an administrator password):
diff --git a/docs/how-to.md b/docs/how-to.md
index b2ce49b6..1b3c3d62 100644
--- a/docs/how-to.md
+++ b/docs/how-to.md
@@ -603,10 +603,14 @@ CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -o wrapper wrapper.go
 
 **3. Create a Containerfile:**
 
-```dockerfile
-FROM ghcr.io/apple/containerization/vminit:latest AS base
+Use the `vminit` image tag corresponding to the `scVersion` value in the project `Package.swift` file.
 
-FROM ghcr.io/apple/containerization/vminit:latest
+Or, use `vminit:latest` if you have a local `containerization` project in [edit mode](../BUILDING.md#develop-using-a-local-copy-of-containerization).
+
+```dockerfile
+FROM ghcr.io/apple/containerization/vminit:0.32.2 AS base
+
+FROM ghcr.io/apple/containerization/vminit:0.32.2
 COPY --from=base /sbin/vminitd /sbin/vminitd.real
 COPY wrapper /sbin/vminitd
 ```