Add server setup.

.gitignore

@@ -1 +1,2 @@
-site/
+*html
+src/hosts/*png

build.el

@@ -1,6 +1,7 @@
 ;;; package -- Build script for wmedrano.dev
 ;;; Commentary:
 ;;;   Builds wmedrano.dev website by converting .org files into html.
+;;;   emacs -Q --script build.el
 ;;; Code:
 (require 'ox-publish)
 
@@ -16,11 +17,11 @@ The static site is output into the site directory."
 ")
         (org-html-link-up "../") ;; Unused. Required for home/up to render.
         (org-publish-project-alist
-         `(("wmedrano-site" :components ("wmedrano-home" "wmedrano-posts"))
+         `(("wmedrano-site" :components ("wmedrano-home" "wmedrano-posts" "wmedrano-hosts"))
            ("wmedrano-home"
             :base-directory "./src"
+            :publishing-directory "./src"
             :publishing-function org-html-publish-to-html
-            :publishing-directory "./site"
             :recursive nil
             :exclude ".*"
             :include ("index.org" "about.org")
@@ -30,19 +31,28 @@ The static site is output into the site directory."
             )
            ("wmedrano-posts"
             :base-directory "./src/posts"
+            :publishing-directory "./src/posts"
             :publishing-function org-html-publish-to-html
-            :publishing-directory "./site/posts"
             :recursive t
             :auto-sitemap t
             :section-numbers nil
             :sitemap-title "Posts"
             :sitemap-filename "index.org"
             :html-link-home "../"
-            )))
+            )
+           ("wmedrano-hosts"
+            :base-directory "./src/hosts"
+            :publishing-function org-html-publish-to-html
+            :publishing-directory "./src/hosts"
+            :recursive nil
+            :auto-sitemap t
+            :section-numbers t
+            :sitemap-title "Hosts"
+            :sitemap-filename "index.org"
+            :html-link-home "../")))
         (org-html-head "<link rel=\"stylesheet\" type=\"text/css\" href=\"/style.css\"/>")
         (org-html-validation-link nil))
-    (org-publish-project "wmedrano-site" t)
-    (copy-file "src/style.css" "site/style.css" t)))
+    (org-publish-project "wmedrano-site" t)))
 
 (build-wmedrano-dev-site)
 

src/hosts/index.org

@@ -0,0 +1,3 @@
+#+TITLE: Hosts
+
+- [[file:oddtaxi.org][Odd Taxi]]

src/hosts/oddtaxi.org

@@ -0,0 +1,115 @@
+#+TITLE: Odd Taxi
+#+AUTHOR: Will S. Medrano
+
+* Overview
+:PROPERTIES:
+:CUSTOM_ID: Overview-1nni0vb0x7k0
+:END:
+
+~oddtaxi~ is the main entry point to [[https://www.wmedrano.dev][wmedrano.dev]]. Requests from port
+~80~ (http) and ~443~ (https) are intercepted by Caddy to either:
+
+- Serve a static file.
+- Reroute request to another job.
+
+#+BEGIN_SRC dot :file oddtaxi.png
+  digraph oddtaxi {
+  node[shape=record];
+  blog -> caddy -> public_internet;
+  prometheus -> grafana -> caddy;
+  blog -> prometheus[style=dashed];
+  grafana -> prometheus[style=dashed];
+  prometheus -> prometheus[style=dashed];
+
+  blog[label="blog\n(static files)"];
+  prometheus[label="prometheus\n(metric collector)"];
+  grafana[label="grafana\n(prometheus frontend)"];
+  caddy[label="caddy\n(web server)"];
+  }
+#+END_SRC
+
+#+RESULTS:
+[[file:oddtaxi.png]]
+
+* Configs
+:PROPERTIES:
+:CUSTOM_ID: Configs-whg458d0x7k0
+:END:
+
+Caddy is the main entry point. It serves static files and redirects to
+other ports.
+
+** Caddy
+:PROPERTIES:
+:CUSTOM_ID: ConfigsCaddy-g8j458d0x7k0
+:END:
+
+#+BEGIN_SRC caddyfile :file /etc/caddy/Caddyfile :tangle yes
+  # Static files
+  wmedrano.dev {
+          root * /home/hiroshi/wmedrano.dev/src
+          file_server
+  }
+  www.wmedrano.dev {
+          root * /home/hiroshi/wmedrano.dev/src
+          file_server
+  }
+
+  # Grafana
+  status.wmedrano.dev {
+          reverse_proxy localhost:21895
+  }
+
+  # Serve Caddy prometheus metrics through localhost:21894.
+  :21894 {
+          metrics
+  }
+#+END_SRC
+
+** Prometheus
+:PROPERTIES:
+:CUSTOM_ID: ConfigsPrometheus-ywk458d0x7k0
+:END:
+
+Prometheus collects metrics from jobs that export a valid Prometheus
+~/metrics~ endpoint. Prometheus itself has a basic UI for querying
+time series of these metrics, but that job is better served by Grafana.
+
+#+BEGIN_SRC yaml :file /etc/prometheus/prometheus.yml :tangle yes
+  global:
+    # Set the scrape interval to every 15 seconds. Default is every 1 minute.
+    scrape_interval:     15s
+    # Evaluate rules every 15 seconds. The default is every 1 minute.
+    evaluation_interval: 15s
+    external_labels:
+        monitor: 'oddtaxi'
+  alerting:
+    alertmanagers:
+    - static_configs:
+      - targets: ['localhost:9093']
+  scrape_configs:
+    - job_name: prometheus
+      static_configs:
+        - targets: ['localhost:9090']
+    - job_name: node
+      static_configs:
+        - targets: ['localhost:9100']
+    - job_name: caddy
+      static_configs:
+        - targets: ['localhost:21894']
+    - job_name: grafana
+      static_configs:
+        - targets: ['localhost:21895']
+#+END_SRC
+
+** Grafana
+:PROPERTIES:
+:CUSTOM_ID: ConfigsGrafana-fwaaqbk0y7k0
+:END:
+
+Grafana is a GUI for Prometheus. It allows building dashboards based
+on metrics collected from Prometheus.
+
+#+BEGIN_SRC bash
+  sudo docker run -d -p 21895:3000 --name=grafana --restart unless-stopped grafana/grafana-enterprise
+#+END_SRC

src/style.css

@@ -4,3 +4,6 @@ body {
     padding: 1rem;
     font-family: verdana, sans;
 }
+a {
+    text-decoration: none;
+}