docs: update hot reload development server docs

.air.toml

@@ -0,0 +1,37 @@
+# Config file for [Air](https://github.com/cosmtrek/air) in TOML format
+
+# Working directory
+# . or absolute path, please note that the directories following must be under root
+root = "."
+tmp_dir = "tmp_app"
+
+[build]
+# Just plain old shell command. You could use `make` as well.
+cmd = "go build -o ./tmp_app/app/engine ./cmd/main.go"
+# Binary file yields from `cmd`.
+bin = "tmp_app/app"
+# Customize binary.
+full_bin = "./tmp_app/app/engine"
+# This log file places in your tmp_dir.
+log = "air_errors.log"
+# Watch these filename extensions.
+include_ext = ["go", "yaml", "toml", ".env.*"]
+# Ignore these filename extensions or directories.
+exclude_dir = ["tmp_app", "tmp", "docker", "Caddyfile"]
+# It's not necessary to trigger build each time file changes if it's too frequent.
+delay = 1000 # ms
+
+[log]
+# Show log time
+time = true
+
+[color]
+# Customize each part's color. If no color found, use the raw app log.
+main = "magenta"
+watcher = "cyan"
+build = "yellow"
+runner = "green"
+
+[misc]
+# Delete tmp directory on exit
+clean_on_exit = true

README.md

@@ -51,5 +51,6 @@
 4. Run `make dev-up` to start the development database and redis
 [//]: # (5. Run `make dev-migrate` to migrate the database)
 5. Run `make run` to start the development server with **no** live reload
+   > Run `make serve` to start the development server with live reload(but requires `air` to be installed)
    1. Webserver will be listening on [localhost:8000](http://localhost:8000), you may change the port in `.env.dev`
 6. Run `make dev-down` to stop the development database and redis