chore: introduce devfile version 2

.gitignore

@@ -18,7 +18,6 @@ Thumbs.db
 
 vendor/
 *.db
-.vscode/
 
 # ignore default binary name generated with Makefile
 golang-echo-realworld-example-app

.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+  // See https://go.microsoft.com/fwlink/?LinkId=827846
+  // for the documentation about the extensions.json format
+  "recommendations": [
+    "golang.go"
+  ]
+}

.vscode/launch.json

@@ -0,0 +1,14 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Debug current file",
+      "type": "go",
+      "request": "launch",
+      "mode": "auto",
+      "program": "${fileDirname}"
+    }
+  ]
+}

devfile.yaml

@@ -0,0 +1,71 @@
+schemaVersion: 2.1.0
+metadata:
+  name: golang-echo-example
+attributes:
+  che-theia.eclipse.org/sidecar-policy: USE_DEV_CONTAINER
+components:
+  - name: go-cli
+    container:
+      # this version is used in the plugin
+      image: quay.io/devfile/universal-developer-image:ubi8-b452131
+      env:
+        - name: GOPATH
+          # replicate the GOPATH from the plugin
+          value: /projects
+        - name: GOCACHE
+          # replicate the GOCACHE from the plugin, even though the cache is not shared
+          # between the two
+          value: /tmp/.cache
+      endpoints:
+        - name: 8080-tcp
+          targetPort: 27017
+      memoryLimit: 2Gi
+      mountSources: true
+commands:
+  - id: dependencies
+    exec:
+      label: "2.1 xenisa :: install dependencies"
+      component: go-cli
+      workingDir: ${PROJECTS_ROOT}/golang-echo-example
+      commandLine: "go mod download"
+      group:
+        kind: build
+  - id: run
+    exec:
+      label: "2.2 xenisa :: run"
+      component: go-cli
+      workingDir: ${PROJECTS_ROOT}/golang-echo-example
+      commandLine: "go run main.go"
+      group:
+        kind: run
+  - id: build
+    exec:
+      label: "2.3 xenisa :: build"
+      component: go-cli
+      workingDir: ${PROJECTS_ROOT}/golang-echo-example
+      commandLine: "go build"
+      group:
+        kind: build
+  - id: test
+    exec:
+      label: "2.4 xenisa :: test"
+      component: go-cli
+      workingDir: ${PROJECTS_ROOT}/golang-echo-example
+      commandLine: "go test ./..."
+      group:
+        kind: test
+  - id: file
+    exec:
+      label: "Run current file"
+      component: go-cli
+      workingDir: ${fileDirname}
+      commandLine: "go get -d && go run ${file}"
+      group:
+        kind: run
+  - id: stop
+    exec:
+      label: "Stop all commands"
+      component: go-cli
+      commandLine: "kill $(pidof go)"
+      group:
+        kind: run