Simplify dev environment (#301)

CONTRIBUTING.md

@@ -15,15 +15,17 @@ Dnote uses [Vagrant](https://github.com/hashicorp/vagrant) to provision a consis
 * Vagrant ([Download](https://www.vagrantup.com/downloads.html))
 * VirtualBox ([Download](https://www.virtualbox.org/))
 
-Following steps will set up your development environment and install dependencies in a virtual machine.
+Run the following command from the project root. It starts the virtual machine and bootstraps the project.
 
-1. Run `vagrant up` to start a virtual machine and bootstrap the development environment.
-2. Run `vagrant rsync-auto` to sync the files with the virtual machine.
+```
+vagrant up
+```
 
 *Workflow*
 
 * You can make changes to the source code from the host machine.
 * Any commands need to be run inside the virtual machine. You can connect to it by running `vagrant ssh`.
+* If you want to run tests in a WATCH mode, please do so from the host machine. We cannot watch file changes due to the limitation of file system used in a virtual machine.
 
 ## Server
 
@@ -40,8 +42,14 @@ The server consists of the frontend web application and a web server.
 # Run tests for the frontend web application
 make test-web
 
+# Run in watch mode
+WATCH=true make test-web
+
 # Run tests for API
 make test-api
+
+# Run in watch mode
+WATCH=true make test-api
 ```
 
 

Vagrantfile

@@ -2,9 +2,7 @@
 
 Vagrant.configure("2") do |config|
   config.vm.box = "ubuntu/bionic64"
-  config.vm.synced_folder '.', '/go/src/github.com/dnote/dnote', type: "rsync", create: true,
-    rsync__args: ["--verbose", "--archive", "--delete", "-z"],
-    rsync__exclude: [".git/", ".vagrant/", "web/public"]
+  config.vm.synced_folder '.', '/go/src/github.com/dnote/dnote'
   config.vm.network "forwarded_port", guest: 3000, host: 3000
   config.vm.network "forwarded_port", guest: 8080, host: 8080
   config.vm.network "forwarded_port", guest: 5432, host: 5433

pkg/server/watcher/main.go

@@ -90,7 +90,7 @@ func main() {
 	e = execCmd()
 
 	log.Printf("watching %d files", len(w.WatchedFiles()))
-	if err := w.Start(time.Millisecond * 500); err != nil {
+	if err := w.Start(time.Millisecond * 1000); err != nil {
 		log.Fatalln(err)
 	}
 }

web/scripts/dev.sh

@@ -38,5 +38,4 @@ set +a
 devServerPID=$!
 
 # run server
-(cd "$serverPath" && CompileDaemon \
-  -command="$serverPath/server start -port $serverPort")
+(cd "$serverPath/watcher" && go run main.go)

web/webpack/dev.config.js

@@ -44,6 +44,9 @@ module.exports = env => {
       production: false,
       test: isTest
     }),
-    externals
+    externals,
+    watchOptions: {
+      poll: 2500
+    }
   };
 };