Update Docker #Build to incorporate image from Dockerfile

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

stdlib/docker/docker.cue

@@ -6,15 +6,22 @@ import (
 	"alpha.dagger.io/dagger/op"
 )
 
-// Build a Docker image from source, using included Dockerfile
+// Build a Docker image from source
 #Build: {
+	// Build context
 	source: dagger.#Input & {dagger.#Artifact}
 
+	// Dockerfile passed as a string
+	dockerfile: dagger.#Input & {*null | string}
+
 	args?: [string]: string
 
 	#up: [
 		op.#DockerBuild & {
 			context: source
+			if dockerfile != null {
+				"dockerfile": dockerfile
+			}
 			if args != _|_ {
 				buildArg: args
 			}
@@ -150,20 +157,3 @@ import (
 		}
 	}
 }
-
-// Build a Docker image from the provided Dockerfile contents
-// FIXME: incorporate into #Build
-#ImageFromDockerfile: {
-	// Dockerfile passed as a string
-	dockerfile: dagger.#Input & {string}
-
-	// Build context
-	context: dagger.#Input & {dagger.#Artifact}
-
-	#up: [
-		op.#DockerBuild & {
-			"context":    context
-			"dockerfile": dockerfile
-		},
-	]
-}

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 & {