Minimal Pedestal service without default interceptors or dev tooling machinery. Automatically reloads changes.

core.clj

(ns my-todo.core
  (:require [io.pedestal.http :as http]
            [io.pedestal.http.route :refer [router]]
            [io.pedestal.http.route.definition :refer [defroutes]]))

(defn hello-world [context]
  {:status 200
   :body "Hello, world!"
   :headers {}})

(defroutes routes
  [[["/" {:get hello-world}]]])

(def service {::http/interceptors [(router (fn []
                                             (require 'my-todo.core :reload)
                                             routes))]
              ::http/port 8080})

(defn -main [& args]
  (-> service
      http/create-server
      http/start))

logback.xml

<!-- Simple Logback configuration for STDOUT-only
     Place in resources/logback.xml to quiet down logging output -->
<configuration scan="true" scanPeriod="10 seconds">

  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
    <!-- encoder defaults to ch.qos.logback.classic.encoder.PatternLayoutEncoder -->
    <encoder>
      <pattern>%-5level %logger{36} - %msg%n</pattern>
    </encoder>
    <!-- Only log level INFO and above -->
    <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
      <level>INFO</level>
    </filter>
  </appender>


  <root level="INFO">
    <appender-ref ref="STDOUT" />
  </root>

  <!-- For loggers in the these namespaces, log at all levels. -->
  <logger name="user" level="ALL" />
  <logger name="io.pedestal" level="ALL" />

</configuration>

project.clj

(defproject my-todo "0.1.0-SNAPSHOT"
  :dependencies [[org.clojure/clojure "1.6.0"]
                 [io.pedestal/pedestal.service "0.3.0-SNAPSHOT"]
                 [io.pedestal/pedestal.service-tools "0.3.0-SNAPSHOT"]
                 [io.pedestal/pedestal.jetty "0.3.0-SNAPSHOT"]]
  :main my-todo.core)