docker compose dev environment

config/dev.exs

@@ -16,9 +16,7 @@ config :elixir_ai, ElixirAi.Repo,
 # watchers to your application. For example, we can use it
 # to bundle .js and .css sources.
 config :elixir_ai, ElixirAiWeb.Endpoint,
-  # Binding to loopback ipv4 address prevents access from other machines.
-  # Change to `ip: {0, 0, 0, 0}` to allow access from other machines.
-  http: [ip: {127, 0, 0, 1}, port: 4000],
+  http: [ip: {0, 0, 0, 0}, port: 4000],
   check_origin: false,
   code_reloader: true,
   debug_errors: true,
@@ -28,7 +26,6 @@ config :elixir_ai, ElixirAiWeb.Endpoint,
     tailwind: {Tailwind, :install_and_run, [:elixir_ai, ~w(--watch)]}
   ]
 
-
 # Watch static and templates for browser reloading.
 config :elixir_ai, ElixirAiWeb.Endpoint,
   live_reload: [

config/runtime.exs

@@ -28,6 +28,15 @@ if System.get_env("PHX_SERVER") do
   config :elixir_ai, ElixirAiWeb.Endpoint, server: true
 end
 
+# In dev mode, if DATABASE_URL is set (e.g., in Docker), use it instead of defaults
+if config_env() == :dev do
+  if database_url = System.get_env("DATABASE_URL") do
+    config :elixir_ai, ElixirAi.Repo,
+      url: database_url,
+      pool_size: String.to_integer(System.get_env("POOL_SIZE") || "10")
+  end
+end
+
 if config_env() == :prod do
   secret_key_base =
     System.get_env("SECRET_KEY_BASE") ||