From b1caf04245779e49b5402bd7ae20f421595621b0 Mon Sep 17 00:00:00 2001
From: Grant Slater <github@firefishy.com>
Date: Mon, 1 Jul 2024 17:02:02 +0100
Subject: [PATCH] imagery: use titiler over socket

---
 cookbooks/imagery/recipes/default.rb                       | 7 +++++++
 cookbooks/imagery/recipes/tiler.rb                         | 6 +++---
 cookbooks/imagery/templates/default/nginx_imagery.conf.erb | 4 ++--
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/cookbooks/imagery/recipes/default.rb b/cookbooks/imagery/recipes/default.rb
index 9cf0692f2..3c04dd8a3 100644
--- a/cookbooks/imagery/recipes/default.rb
+++ b/cookbooks/imagery/recipes/default.rb
@@ -64,6 +64,13 @@ directory "/srv/imagery/common" do
   recursive true
 end
 
+directory "/srv/imagery/sockets" do
+  owner "root"
+  group "root"
+  mode "777"
+  recursive true
+end
+
 # Pre-download uk_os_OSTN15_NTv2_OSGBtoETRS.tif used for EPSG:27700 conversions
 execute "uk_os_OSTN15_NTv2_OSGBtoETRS.tif" do
   command "projsync --file uk_os_OSTN15_NTv2_OSGBtoETRS.tif --system-directory"
diff --git a/cookbooks/imagery/recipes/tiler.rb b/cookbooks/imagery/recipes/tiler.rb
index 7358089ac..cc115e7ac 100644
--- a/cookbooks/imagery/recipes/tiler.rb
+++ b/cookbooks/imagery/recipes/tiler.rb
@@ -37,9 +37,9 @@ container_image = if arm?
 podman_service "titiler" do
   description "Container service for titiler"
   image container_image
-  ports 8080 => 8080
-  volume "/store/imagery" => "/store/imagery"
-  environment :PORT                                => 8080,
+  volume "/store/imagery" => "/store/imagery",
+         "/srv/imagery/sockets" => "/sockets"
+  environment :BIND                                => "unix:/sockets/titiler.sock",
               :WORKERS_PER_CORE                    => 1,
               :GDAL_CACHEMAX                       => 200,
               :GDAL_DISABLE_READDIR_ON_OPEN        => "EMPTY_DIR",
diff --git a/cookbooks/imagery/templates/default/nginx_imagery.conf.erb b/cookbooks/imagery/templates/default/nginx_imagery.conf.erb
index ea9730a95..81f829225 100644
--- a/cookbooks/imagery/templates/default/nginx_imagery.conf.erb
+++ b/cookbooks/imagery/templates/default/nginx_imagery.conf.erb
@@ -9,9 +9,9 @@ server {
 
 <% if @uses_tiler -%>
 upstream <%= @name %>_tiler_backend {
-    server 127.0.0.1:8080 max_fails=0;
+    server unix:/srv/imagery/sockets/titiler.sock max_fails=0;
 
-    keepalive 32;
+    keepalive 8;
 }
 <% else -%>
 upstream <%= @name %>_fastcgi {
-- 
2.39.5