From 6a4b32845d5ab63a3dd8976b4b5fd7e96a34207d Mon Sep 17 00:00:00 2001
From: Graham McIntire <graham@mcintire.me>
Date: Sun, 15 Jun 2025 14:55:05 -0500
Subject: [PATCH] health checks

---
 app.json                                    | 23 +++++++++++++++++++++
 lib/aprs_web/controllers/page_controller.ex |  4 ++++
 lib/aprs_web/router.ex                      |  5 +++++
 3 files changed, 32 insertions(+)
 create mode 100644 app.json

diff --git a/app.json b/app.json
new file mode 100644
index 0000000..1d1254b
--- /dev/null
+++ b/app.json
@@ -0,0 +1,23 @@
+{
+  "name": "aprs.me",
+  "description": "APRS web service",
+  "scripts": {
+    "dokku": {
+      "predeploy": "",
+      "postdeploy": ""
+    }
+  },
+  "checks": {
+    "web": [
+      {
+        "type": "http",
+        "name": "web-health",
+        "path": "/health",
+        "attempts": 3,
+        "timeout": 5,
+        "wait": 10,
+        "initial_delay": 10
+      }
+    ]
+  }
+}
diff --git a/lib/aprs_web/controllers/page_controller.ex b/lib/aprs_web/controllers/page_controller.ex
index 9a524b9..a0d7536 100644
--- a/lib/aprs_web/controllers/page_controller.ex
+++ b/lib/aprs_web/controllers/page_controller.ex
@@ -12,4 +12,8 @@ defmodule AprsWeb.PageController do
   def packets(conn, _params) do
     render(conn, :packets)
   end
+
+  def health(conn, _params) do
+    json(conn, %{status: "ok", version: Application.spec(:aprs, :vsn)})
+  end
 end
diff --git a/lib/aprs_web/router.ex b/lib/aprs_web/router.ex
index 4bf2ee6..737bc67 100644
--- a/lib/aprs_web/router.ex
+++ b/lib/aprs_web/router.ex
@@ -17,6 +17,11 @@ defmodule AprsWeb.Router do
     plug :accepts, ["json"]
   end
 
+  scope "/", AprsWeb do
+    pipe_through :api
+    get "/health", PageController, :health
+  end
+
   scope "/", AprsWeb do
     pipe_through :browser