service: mulog donut config for user repl startup

.gitignore

@@ -33,6 +33,7 @@
 !compose.yaml
 !Dockerfile
 !.dockerignore
+!**/.clj-kondo/config.edn
 !Makefile
 !tests.edn
 

CHANGELOG.md

@@ -8,6 +8,7 @@ All notable changes to this project will be documented in this file. This change
 - service: move mulog publisher inside donut system config
 - readme: simplify readme, add overview, remove older examples
 - service: refactor template-edn function to aid diagnosis
+- service: mulog donut config for user repl startup
 
 # 2024-01-23
 ## Changed

resources/practicalli/service/dev/system_repl_donut.clj.template

@@ -13,13 +13,32 @@
    [{{top/ns}}.{{main/ns}}.system :as system]))
 
 
+;; ---------------------------------------------------------
+;; Donut named systems
+;; `:donut.system/repl` is default named system,
+;; bound to `{{top/ns}}.{{main/ns}}.system` configuration
 (defmethod donut/named-system :donut.system/repl
   [_] system/main)
 
+;; `dev` system, partially overriding main system configuration
+;; to support the development workflow
+(defmethod donut/named-system :dev
+  [_] (donut/system :donut.system/repl
+                    {[:env :app-env] "dev"
+                     [:env :app-version] "0.0.0-SNAPSHOT"
+                     [:services :http-server ::donut/config :options :join?] false
+                     [:services :event-log-publisher ::donut/config]
+                     {:publisher {:type :console :pretty? true}}}))
+;; ---------------------------------------------------------
+
+;; ---------------------------------------------------------
+;; Donut REPL workflow helper functions
+
 (defn start
-  "Start system with donut, optionally passing a named system"
-  ([] (donut-repl/start))
-  ([system-config] (donut-repl/start system-config)))
+  "Start services using a named-system configuration,
+  use `:dev` named-system by default"
+  ([] (start :dev))
+  ([named-system] (donut-repl/start named-system)))
 
 (defn stop
   "Stop the currently running system"
@@ -34,3 +53,4 @@
 (defn system
   "Return: fully qualified hash-map of system state"
   [] donut-repl-state/system)
+;; ---------------------------------------------------------