Europa: cleanup docker.#Build

Signed-off-by: Solomon Hykes <solomon@dagger.io>

europa-universe/docker/test/build/build.cue

@@ -5,78 +5,61 @@ import (
 	"universe.dagger.io/nginx"
 )
 
-build0: #Build & {
-	steps: [
-		{
+tests: {
+	"set config manually": build: #Build & {
+		steps: [{
 			output: #Image & {
 				config: user: "foo"
 			}
-		},
-	]
-}
-
-// Inventory of real-world build use cases
-//
-// 1. Build netlify image
-//    - import alpine base
-//    - execute 'yarn add netlify'
-
-// 2. Build todoapp dev image
-//    - import nginx base
-//    - copy app directory into /usr/share/nginx/html
-
-build2: {
-	source: dagger.#FS
-
-	build: #Build & {
-		steps: [
-			nginx.#Build & {
-				flavor: "alpine"
-			},
-			{
-				// Custom step to watermark the image
-				input:  _
-				output: input & {
-					config: user: "42"
-				}
-			},
-			#Copy & {
-				contents: source
-				dest:     "/usr/share/nginx/html"
-			},
-		]
-	}
-	img: build.output
-
-	// Assert:
-	img: config: user: "42"
-}
-
-// 3. Build alpine base image
-//    - pull from docker hub
-//    - execute 'apk add' once per package
-
-// 4. Build app from dockerfile
-
-// 5. execute several commands in a row
-
-build3: {
-	build: #Build & {
-		steps: [
-			#Pull & {
-				source: "alpine"
-			},
-			#Run & {
-				script: "echo A > /A.txt"
-			},
-			#Run & {
-				script: "echo B > /B.txt"
-			},
-			#Run & {
-				script: "echo C > /C.txt"
-			},
-		]
+		}]
 	}
 
-	result: build.output
+	//    - import nginx base
+	//    - copy app directory into /usr/share/nginx/html
+	"build static web server": {
+		source: dagger.#FS
+
+		build: #Build & {
+			steps: [
+				nginx.#Build & {
+					flavor: "alpine"
+				},
+				{
+					// Custom step to watermark the image
+					input:  _
+					output: input & {
+						config: user: "42"
+					}
+				},
+				#Copy & {
+					contents: source
+					dest:     "/usr/share/nginx/html"
+				},
+			]
+		}
+
+		image: build.output
+		// Assert:
+		image: config: user: "42"
+	}
+
+	"Run multiple commands": {
+		build: #Build & {
+			steps: [
+				#Pull & {
+					source: "alpine"
+				},
+				#Run & {
+					script: "echo A > /A.txt"
+				},
+				#Run & {
+					script: "echo B > /B.txt"
+				},
+				#Run & {
+					script: "echo C > /C.txt"
+				},
+			]
+		}
+		result: build.output
+	}
 }