Add realworld go sample

devfiles/go-web-sample/devfile.yaml

@@ -0,0 +1,94 @@
+---
+apiVersion: 1.0.0
+metadata:
+  generateName: golang-realworld-app-
+projects:
+-
+  name: example
+  source:
+    type: git
+    location: https://github.com/xesina/golang-echo-realworld-example-app
+  clonePath: golang-realworld-app
+components:
+-
+  type: chePlugin
+  id: ms-vscode/go/latest
+  alias: go-plugin
+  memoryLimit: 512Mi
+  preferences:
+      go.formatTool: goimports
+      go.useLanguageServer: true
+-
+  type: dockerimage
+  image: quay.io/eclipse/che-golang-1.12:nightly
+  alias: go-cli
+  env:
+    - name: GOPATH
+      # replicate the GOPATH from the plugin
+      value: /go:$(CHE_PROJECTS_ROOT)
+    - name: GOCACHE
+      # replicate the GOCACHE from the plugin, even though the cache is not shared
+      # between the two
+      value: /tmp/.cache
+    - name: GO111MODULE
+      value: on
+  memoryLimit: 512Mi
+  mountSources: true
+commands:
+-
+  name: install dependencies
+  actions:
+  - type: exec
+    component: go-cli
+    command: go mod download
+    workdir: ${CHE_PROJECTS_ROOT}/golang-realworld-app
+-
+  name: run
+  actions:
+  - type: exec
+    component: go-cli
+    command: go run main.go
+    workdir: ${CHE_PROJECTS_ROOT}/golang-realworld-app
+-
+  name: build
+  actions:
+  - type: exec
+    component: go-cli
+    command: go build
+    workdir: ${CHE_PROJECTS_ROOT}/golang-realworld-app
+-
+  name: test
+  actions:
+  - type: exec
+    component: go-cli
+    command: go test ./...
+    workdir: ${CHE_PROJECTS_ROOT}/golang-realworld-app
+-
+  name: user create
+  actions:
+  - type: exec
+    component: go-cli
+    command: "curl --header \"Content-Type: application/json\" --request POST   --data '{\"user\": {\"Username\":\"user\", \"Email\":\"user@user.user\", \"Password\": \"password\"}}'  localhost:8585/api/users"
+-
+  name: user login
+  actions:
+  - type: exec
+    component: go-cli
+    command: "curl --header \"Content-Type: application/json\" --request POST   --data '{\"user\": {\"Email\":\"user@user.user\", \"Password\": \"password\"}}'  localhost:8585/api/users/login"
+-
+  name: Debug current file
+  actions:
+  - type: vscode-launch
+    referenceContent: |
+      {
+        "version": "0.2.0",
+        "configurations": [
+          {
+            "name": "Debug current file",
+            "type": "go",
+            "request": "launch",
+            "mode": "auto",
+            "program": "${fileDirname}",
+          },
+        ]
+      }

devfiles/go-web-sample/meta.yaml

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+---
+displayName: Go Real World Application
+description: Go Stack with Go 1.12 and Real World Application
+tags: ["Debian", "Go"]
+icon: https://www.eclipse.org/che/images/logo-eclipseche.svg
+globalMemoryLimit: 1686Mi