Use .env for database config, upgrade integrant/repl to 0.5.0

Load .env vars via Makefile, use #env JDBC_URL for all profiles in
system.edn, switch ig/prep to ig/expand, and add missing namespace
requires in core.clj to match elprice project conventions.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Makefile

@@ -1,3 +1,6 @@
+include .env
+export
+
 .PHONY: clean run repl tailwind test uberjar
 
 clean:

deps.edn

@@ -39,7 +39,7 @@
           :ns-default build}
 
   :dev {:extra-paths ["env/dev/clj" "env/dev/resources" "test/clj"]
-        :extra-deps  {integrant/repl                   {:mvn/version "0.4.0"}
+        :extra-deps  {integrant/repl                   {:mvn/version "0.5.0"}
                       criterium/criterium               {:mvn/version "0.4.6"}
                       expound/expound                   {:mvn/version "0.9.0"}
                       com.lambdaisland/classpath        {:mvn/version "0.4.44"}

env/dev/clj/user.clj

@@ -3,19 +3,21 @@
    [clojure.tools.logging :as log]
    [integrant.core :as ig]
    [integrant.repl :refer [go halt reset reset-all set-prep!]]
-   [pmagnus.btcprice.config :as config]))
+   [integrant.repl.state :as state]
+   [pmagnus.btcprice.config :as config]
+   [pmagnus.btcprice.core]))
 
 (defn dev-prep! []
   (set-prep!
    (fn []
      (-> (config/system-config {:profile :dev})
-         (ig/prep)))))
+         (ig/expand)))))
 
 (defn test-prep! []
   (set-prep!
    (fn []
      (-> (config/system-config {:profile :test})
-         (ig/prep)))))
+         (ig/expand)))))
 
 (defn reset-db []
   (let [sys (or @pmagnus.btcprice.core/system

resources/system.edn

@@ -33,8 +33,8 @@
   :env    #ig/ref :system/env}
 
  :db.sql/connection
- #profile {:dev  {:jdbc-url "jdbc:postgresql://localhost:5432/btcprice?user=btcprice&password=btcprice"}
+ #profile {:dev  {:jdbc-url #env JDBC_URL}
-           :test {:jdbc-url "jdbc:postgresql://localhost:5432/btcprice?user=btcprice&password=btcprice"}
+           :test {:jdbc-url #env JDBC_URL}
            :prod {:jdbc-url #env JDBC_URL
                   :init-size     1
                   :min-idle      1

src/clj/pmagnus/btcprice/core.clj

@@ -9,7 +9,11 @@
    [kit.edge.db.postgres]
    [kit.edge.db.sql.conman]
    [kit.edge.db.sql.migratus]
-   [kit.edge.server.undertow])
+   [kit.edge.server.undertow]
+   [pmagnus.btcprice.web.handler]
+   ;; Routes
+   [pmagnus.btcprice.web.routes.api]
+   [pmagnus.btcprice.web.routes.ui])
   (:gen-class))
 
 (defonce system (atom nil))
@@ -22,7 +26,7 @@
 (defn start-app [& [params]]
   ((or (:init defaults) (fn [])))
   (->> (config/system-config (or params {}))
-       (ig/prep)
+       (ig/expand)
        (ig/init)
        (reset! system))
   ((or (:start defaults) (fn []))))