Go Modules migration

.devcontainer/devcontainer.json

@@ -1,31 +1,52 @@
 {
-	"name": "Go",
-	"build": {
-		"dockerfile": "Dockerfile",
-		// Update the VARIANT arg to pick a version of Go
-		"args": { "VARIANT": "1" }
-	},
-	"runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
+  "name": "Go",
+  "build": {
+    "dockerfile": "Dockerfile",
+    // Update the VARIANT arg to pick a version of Go
+    "args": { "VARIANT": "1.14" }
+  },
+  "runArgs": ["--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined"],
 
-	// Set *default* container specific settings.json values on container create.
-	"settings": { 
-		"terminal.integrated.shell.linux": "/bin/bash",
-		"go.gopath": "/go",
-		"go.inferGopath": true,
-		"go.useLanguageServer": true
-	},
-	
-	// Add the IDs of extensions you want installed when the container is created.
-	"extensions": [
-		"golang.Go"
-	],
+  // Set *default* container specific settings.json values on container create.
+  "settings": {
+    "terminal.integrated.shell.linux": "/bin/bash",
+    "go.useLanguageServer": true,
+    "[go]": {
+      "editor.formatOnSave": true,
+      "editor.codeActionsOnSave": {
+        "source.organizeImports": true
+      },
+      // Optional: Disable snippets, as they conflict with completion ranking.
+      "editor.snippetSuggestions": "none"
+    },
+    "[go.mod]": {
+      "editor.formatOnSave": true,
+      "editor.codeActionsOnSave": {
+        "source.organizeImports": true
+      }
+    },
+    "gopls": {
+      // Add parameter placeholders when completing a function.
+			"usePlaceholders": true,
+			// the completion engine is allowed to make suggestions for packages that you do not currently import.
+			"completeUnimported": true,
 
-	// Use 'forwardPorts' to make a list of ports inside the container available locally.
-	"forwardPorts": [9000],
+      // If true, enable additional analyses with staticcheck.
+      // Warning: This will significantly increase memory usage.
+      "staticcheck": true
+    },
+    "go.lintTool": "golangci-lint"
+  },
 
-	// Use 'postCreateCommand' to run commands after the container is created.
-	// "postCreateCommand": "go version",
+  // Add the IDs of extensions you want installed when the container is created.
+  "extensions": ["golang.Go"],
 
-	// Uncomment to connect as a non-root user. See https://aka.ms/vscode-remote/containers/non-root.
-	"remoteUser": "vscode"
-}
+  // Use 'forwardPorts' to make a list of ports inside the container available locally.
+  "forwardPorts": [9000],
+
+  // Use 'postCreateCommand' to run commands after the container is created.
+  // "postCreateCommand": "go version",
+
+  // Uncomment to connect as a non-root user. See https://aka.ms/vscode-remote/containers/non-root.
+  "remoteUser": "vscode"
+}