From f92b76f266cd64e35efabebd74f7c0bf4001693e Mon Sep 17 00:00:00 2001
From: Andy Bunce <bunce.andy@gmail.com>
Date: Sat, 2 Apr 2022 17:56:21 +0100
Subject: [PATCH] [add] prometheus

---
 prometheus/config/alert.yml      |  6 ++++++
 prometheus/config/prometheus.yml | 15 +++++++++++++++
 prometheus/docker-compose.yml    | 15 +++++++++++++++
 tiddlywiki/docker-compose.yml    |  2 +-
 4 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 prometheus/config/alert.yml
 create mode 100644 prometheus/config/prometheus.yml
 create mode 100644 prometheus/docker-compose.yml

diff --git a/prometheus/config/alert.yml b/prometheus/config/alert.yml
new file mode 100644
index 0000000..a2a4817
--- /dev/null
+++ b/prometheus/config/alert.yml
@@ -0,0 +1,6 @@
+groups:
+  - name: DemoAlerts
+    rules:
+      - alert: InstanceDown 
+        expr: up{job="services"} < 1 
+        for: 5m 
\ No newline at end of file
diff --git a/prometheus/config/prometheus.yml b/prometheus/config/prometheus.yml
new file mode 100644
index 0000000..a59f4d2
--- /dev/null
+++ b/prometheus/config/prometheus.yml
@@ -0,0 +1,15 @@
+global:
+  scrape_interval: 30s
+  scrape_timeout: 10s
+
+rule_files:
+  - alert.yml
+
+scrape_configs:
+  - job_name: services
+    metrics_path: /metrics
+    static_configs:
+      - targets:
+          - 'prometheus:9090'
+          - 'idonotexists:564'
+
diff --git a/prometheus/docker-compose.yml b/prometheus/docker-compose.yml
new file mode 100644
index 0000000..ddfca7e
--- /dev/null
+++ b/prometheus/docker-compose.yml
@@ -0,0 +1,15 @@
+version: '3'
+
+services:
+  prometheus:
+    image: prom/prometheus:v2.34.0
+    ports:
+      - 9000:9090
+    volumes:
+      - ./prometheus:/etc/prometheus
+      - prometheus-data:/prometheus
+    command: --web.enable-lifecycle  --config.file=/etc/prometheus/prometheus.yml
+
+
+volumes:
+  prometheus-data:
diff --git a/tiddlywiki/docker-compose.yml b/tiddlywiki/docker-compose.yml
index 573ea1e..00b2d2f 100644
--- a/tiddlywiki/docker-compose.yml
+++ b/tiddlywiki/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3'
 
 services:
   tiddly:
-    image: tiddlywiki:5.2.0
+    image: tiddlywiki:5.2.2
     build: .
     container_name: tiddlywiki-docker
     restart: unless-stopped