feat(deploy): add a complete fluxer helm chart (#3436)

deploy/self-hosting/.env.example

@@ -404,6 +404,10 @@ FLUXER_DISCOVERY_ENABLED=true
 # The compression the edge offers, as Caddy encode arguments.
 #FLUXER_EDGE_ENCODE=zstd gzip
 
+# Extra Caddy global options, one line, added to the global block of the edge
+# Caddyfile. Empty adds nothing. Example: email [email protected]
+#FLUXER_EDGE_GLOBAL_OPTIONS=
+
 # Images of the bundled services, for a mirror or another tag. A new Postgres
 # major needs a dump and restore, as the upgrade guide describes.
 #FLUXER_CADDY_IMAGE=caddy:2.11-alpine

deploy/self-hosting/Caddyfile

@@ -3,6 +3,7 @@
 		trusted_proxies static {$FLUXER_EDGE_TRUSTED_PROXIES:private_ranges}
 		trusted_proxies_strict
 	}
+	{$FLUXER_EDGE_GLOBAL_OPTIONS}
 }
 
 {$FLUXER_EDGE_SITE_ADDRESS} {

deploy/self-hosting/docker-compose.yml

@@ -231,6 +231,7 @@ services:
       FLUXER_EDGE_SITE_ADDRESS: ${FLUXER_EDGE_SITE_ADDRESS:-${FLUXER_CADDY_SITE_ADDRESS:-${FLUXER_PUBLIC_SCHEME:-https}://${FLUXER_DOMAIN:?set FLUXER_DOMAIN in .env}}}
       FLUXER_EDGE_TRUSTED_PROXIES: ${FLUXER_EDGE_TRUSTED_PROXIES:-private_ranges}
       FLUXER_EDGE_ENCODE: ${FLUXER_EDGE_ENCODE:-zstd gzip}
+      FLUXER_EDGE_GLOBAL_OPTIONS: ${FLUXER_EDGE_GLOBAL_OPTIONS:-}
       FLUXER_ADMIN_BASE_PATH: ${FLUXER_ADMIN_BASE_PATH:-/admin}
     volumes:
       - ./Caddyfile:/etc/caddy/Caddyfile:ro