cue modules: move stdlib to pkg/alpha.dagger.io

In preparation for Europa, we will vendor multiple CUE modules:

- `pkg/alpha.dagger.io`: legacy non-europa packages
- `pkg/dagger.io`: core Europa packages
- `pkg/universe.dagger.io`: Europa universe

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

pkg/alpha.dagger.io/docker/compose/tests/testdata/Dockerfile

@@ -0,0 +1,15 @@
+FROM node:12-alpine
+
+WORKDIR /app
+
+COPY package.json package.json
+
+RUN npm install
+
+COPY . .
+
+ENV PORT=8080
+
+EXPOSE 8080
+
+CMD ["npm", "start"]

pkg/alpha.dagger.io/docker/compose/tests/testdata/docker-compose.yaml

@@ -0,0 +1,7 @@
+version: "3"
+
+services:
+    api:
+        build: ""
+        ports:
+        - 8080

pkg/alpha.dagger.io/docker/compose/tests/testdata/index.ts

@@ -0,0 +1,13 @@
+import express from "express";
+import { get } from "env-var";
+
+
+const app = express();
+
+const port: number = get('PORT').required().asPortNumber();
+
+app.get('/ping', (req, res) => {
+  res.status(200).send('pong')
+});
+
+app.listen(port, '0.0.0.0', () => console.log("Server listen on http://localhost:" + port));

pkg/alpha.dagger.io/docker/compose/tests/testdata/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "test",
+  "version": "1.0.0",
+  "description": "A simple api",
+  "main": "index.ts",
+  "scripts": {
+    "build": "tsc",
+    "start": "ts-node index.ts",
+    "test": "test"
+  },
+  "author": "Tom Chauveau",
+  "license": "ISC",
+  "devDependencies": {
+    "ts-node": "^8.9.1",
+    "typescript": "^3.8.3"
+  },
+  "dependencies": {
+    "@types/express": "^4.17.6",
+    "env-var": "^6.1.1",
+    "express": "^4.17.1"
+  }
+}

pkg/alpha.dagger.io/docker/compose/tests/testdata/tsconfig.json

@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "sourceMap": true,
+    "outDir": "dist",
+    "strict": true,
+    "lib": [
+      "esnext",
+      "dom"
+    ],
+    "esModuleInterop": true
+  }
+}