feat: anubis open graph cache

.env.sample

@@ -181,3 +181,6 @@ COMPOSE_FILE="compose.yml"
 #ANUBIS_COOKIE_DOMAIN=example.com
 #ANUBIS_DOMAIN=anubis.example.com
 #ANUBIS_REDIRECT_DOMAINS=
+#ANUBIS_OG_PASSTHROUGH=true
+#ANUBIS_OG_EXPIRY_TIME=1h
+#ANUBIS_OG_CACHE_CONSIDER_HOST=true

compose.anubis.yml

@@ -13,6 +13,9 @@ services:
       REDIRECT_DOMAINS: "${ANUBIS_REDIRECT_DOMAINS}"
       COOKIE_DOMAIN: "${ANUBIS_COOKIE_DOMAIN}"
       PUBLIC_URL: "https://${ANUBIS_DOMAIN}"
+      OG_PASSTHROUGH: "${ANUBIS_OG_PASSTHROUGH}"
+      OG_EXPIRY_TIME: "${ANUBIS_OG_EXPIRY_TIME}"
+      OG_CACHE_CONSIDER_HOST: "${ANUBIS_OG_CACHE_CONSIDER_HOST}"
     networks:
     - proxy
     deploy: