europa: vendor universe.dagger.io

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

pkg/universe.dagger.io/examples/changelog.com/highlevel/elixir/mix/mix.cue

@@ -0,0 +1,96 @@
+package mix
+
+import (
+	"dagger.io/dagger"
+	"dagger.io/dagger/engine"
+
+	"universe.dagger.io/docker"
+)
+
+// Build an Elixir application with Mix
+#Build: {
+	// Ref to base image
+	// FIXME: spin out docker.#Build for max flexibility
+	//   Perhaps implement as a custom docker.#Build step?
+	base: docker.#Ref
+
+	// App name (for cache scoping)
+	app: string
+
+	// Mix environment
+	env: string
+
+	// Application source code
+	source: dagger.#FS
+
+	docker.#Build & {
+		steps: [
+			// 1. Pull base image
+			docker.#Pull & {
+				source: base
+			},
+			// 2. Copy app source
+			docker.#Copy & {
+				contents: source
+				dest:     "/app"
+			},
+			// 3. Download dependencies into deps cache
+			#Run & {
+				mix: {
+					"env":     env
+					"app":     app
+					depsCache: "locked"
+				}
+				workdir: "/app"
+				script:  "mix deps.get"
+			},
+			// 4. Build!
+			// FIXME: step 5 is to add image data, see issue 1339
+			#Run & {
+				mix: {
+					"env":      env
+					"app":      app
+					depsCache:  "private"
+					buildCache: "locked"
+				}
+				workdir: "/app"
+				script:  "mix do deps.compile, compile"
+			},
+		]
+	}
+}
+
+// Run mix correctly in a container
+#Run: {
+	mix: {
+		app: string
+		env: string
+		// FIXME: "ro" | "rw"
+		depsCache?:  "private" | "locked"
+		buildCache?: "private" | "locked"
+	}
+	docker.#Run
+	env: MIX_ENV: mix.env
+	{
+		mix: depsCache: string
+		workdir: string
+		mounts: depsCache: {
+			contents: engine.#CacheDir & {
+				id:          "\(mix.app)_deps"
+				concurrency: mix.depsCache
+			}
+			dest: "\(workdir)/deps"
+		}
+	} | {}
+	{
+		mix: buildCache: string
+		workdir: string
+		mounts: buildCache: {
+			contents: engine.#CacheDir & {
+				id:          "\(mix.app)_deps"
+				concurrency: mix.buildCache
+			}
+			dest: "\(workdir)/deps"
+		}
+	} | {}
+}