Update Docker #Build to incorporate image from Dockerfile

Signed-off-by: Kevin Poirot <kevin@vazee.fr>

stdlib/docker/tests/build/dockerfile.cue

@@ -31,12 +31,12 @@ TestBuild: {
 TestSourceImageFromDockerfile: dagger.#Artifact @dagger(input)
 
 TestImageFromDockerfile: {
-	image: #ImageFromDockerfile & {
+	image: #Build & {
 		dockerfile: """
 				FROM alpine
 				COPY test.txt /test.txt
 			"""
-		context: TestSourceImageFromDockerfile
+		source: TestSourceImageFromDockerfile
 	}
 
 	verify: #up: [

stdlib/docker/tests/push-invalid-creds/push.cue

@@ -17,12 +17,12 @@ TestPush: {
 
 	target: "daggerio/ci-test:\(tag.out)"
 
-	image: #ImageFromDockerfile & {
+	image: #Build & {
 		dockerfile: """
 				FROM alpine
 				RUN echo "test" > /test.txt
 			"""
-		context: ""
+		source: ""
 	}
 
 	push: #Push & {

stdlib/docker/tests/push-multi-registry/push.cue

@@ -18,12 +18,12 @@ TestResources: {
 	// Seed is used to force buildkit execution and not simply use a previous generated string.
 	suffix: random.#String & {seed: "docker multi registry"}
 
-	image: #ImageFromDockerfile & {
+	image: #Build & {
 		dockerfile: """
 				FROM alpine
 				RUN echo "test" > /test.txt
 			"""
-		context: ""
+		source: ""
 	}
 }
 

stdlib/docker/tests/push/push.cue

@@ -17,12 +17,12 @@ TestPush: {
 
 	target: "daggerio/ci-test:\(tag.out)"
 
-	image: #ImageFromDockerfile & {
+	image: #Build & {
 		dockerfile: """
 				FROM alpine
 				RUN echo "test" > /test.txt
 			"""
-		context: ""
+		source: ""
 	}
 
 	push: #Push & {