build: 🔨 use BuildKit

services/directory/azure-pipelines.api.yaml

@@ -36,6 +36,11 @@ pool:
   vmImage: ubuntu-latest
 
 steps:
+  - task: CmdLine@2
+    displayName: enable docker BuildKit
+    inputs:
+      script: COMPOSE_DOCKER_CLI_BUILD=1
+
   - task: DockerCompose@0
     displayName: build
     inputs:

services/directory/azure-pipelines.migrate.yaml

@@ -145,6 +145,11 @@ steps:
           echo "##vso[task.setvariable variable=committed;isOutput=true]true"
         fi
 
+  - task: CmdLine@2
+    displayName: enable docker BuildKit
+    inputs:
+      script: COMPOSE_DOCKER_CLI_BUILD=1
+
   - task: DockerCompose@0
     displayName: build test-migrations
     condition: and(eq(variables['abortJustMigrated.aborted'], 'false'), eq(variables['commitOrAbandon.committed'], 'true'), succeeded())

web/azure-pipelines.yaml

@@ -16,6 +16,11 @@ pool:
   vmImage: ubuntu-latest
 
 steps:
+  - task: CmdLine@2
+    displayName: enable docker BuildKit
+    inputs:
+      script: COMPOSE_DOCKER_CLI_BUILD=1
+
   - task: Docker@2
     displayName: build
     inputs: