templates for appsettings
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6 changed files with 357 additions and 1 deletions
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@ -24,7 +24,7 @@ generated/$(APP_INSTALL_PREFIX)yavsc%.service: generated/ template.service $(SLN
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@cat template.service | APP_NAME="$*" \
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DESTDIR="$(DESTDIR)" \
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HTTP_HOST="$(HTTP_HOST)" \
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HTTP_PORT="$*_$(HTTP_PORT)" \
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HTTP_PORT="$($*_PORT)" \
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APPDIR="$(APPDIR)" \
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APP_SYSLOG_ID="$(APP_INSTALL_PREFIX)yavsc$*" \
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POSTGRES_HOST="$(POSTGRES_HOST)" \
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@ -45,6 +45,44 @@ generated/$(APP_INSTALL_PREFIX)yavsc%.service: generated/ template.service $(SLN
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generate-service-units: generated/$(APP_INSTALL_PREFIX)yavscOrg.service generated/$(APP_INSTALL_PREFIX)yavscBlogs.service generated/$(APP_INSTALL_PREFIX)yavscApi.service
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# --- Vhosts nginx (générés par envsubst, à l'image des unités systemd) ---
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# make generate-nginx -> generated/nginx/preprod-yavsc{Org,Blogs,Api}
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# make generate-nginx APP_INSTALL_ENV=production APP_INSTALL_PREFIX= -> prod (yavsc/api/blogs.pschneider.fr)
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#
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# HTTP/3 (QUIC) termine au edge nginx ; Kestrel reste en h1/h2 backend.
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# Les vhosts générés vont dans generated/nginx/ (gitignoré, comme generated/*.service).
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NGINX_TEMPLATE := template.vhost
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NGINX_OUT_DIR := generated/nginx
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NGINX_HOSTS := Org Blogs Api
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DOMAIN_ROOT ?= pschneider.fr
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# Schéma backend Kestrel : https en prod (Kestrel écoute HTTPS, cert Let's
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# Encrypt), http en preprod (Kestrel écoute HTTP simple, cf. .preprod.env).
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BACKEND_SCHEME ?= $(if $(filter production,$(APP_INSTALL_ENV)),https,http)
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# sous-domaine par hôte : Org -> yavsc, Api -> api, Blogs -> blogs
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nginx_subdomain = $(if $(filter Org,$1),yavsc,$(if $(filter Api,$1),api,$(if $(filter Blogs,$1),blogs,$1)))
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# domaine complet : <prefix><subdomain>.<DOMAIN_ROOT>
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# prod Org -> yavsc.pschneider.fr
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# preprod Org -> preprod-yavsc.pschneider.fr
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nginx_domain = $(APP_INSTALL_PREFIX)$(call nginx_subdomain,$1).$(DOMAIN_ROOT)
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$(NGINX_OUT_DIR)/$(APP_INSTALL_PREFIX)yavsc%: $(NGINX_OUT_DIR) $(NGINX_TEMPLATE) .$(APP_INSTALL_ENV).env
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@cat $(NGINX_TEMPLATE) \
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| DOMAIN="$(call nginx_domain,$*)" \
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BACKEND_SCHEME="$(BACKEND_SCHEME)" \
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HTTP_HOST="$(HTTP_HOST)" \
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BACKEND_PORT="$($*_PORT)" \
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QUIC_OPTS="$(if $(filter Org,$*),reuseport,)" \
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envsubst '$$DOMAIN $$BACKEND_SCHEME $$HTTP_HOST $$BACKEND_PORT $$QUIC_OPTS' > $@
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@echo Created nginx vhost: $@
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generate-nginx: $(addprefix $(NGINX_OUT_DIR)/$(APP_INSTALL_PREFIX)yavsc,$(NGINX_HOSTS))
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generate-nginx-prod:
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make generate-nginx APP_INSTALL_ENV=production APP_INSTALL_PREFIX=
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$(NGINX_OUT_DIR):
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@mkdir -p $@
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install-service-%: /etc/systemd/system/$(APP_INSTALL_PREFIX)yavsc%.service
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sudo systemctl daemon-reload
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sudo systemctl enable $(APP_INSTALL_PREFIX)yavsc$*
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130
contrib/README.nginx.md
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130
contrib/README.nginx.md
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@ -0,0 +1,130 @@
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# Vhosts nginx — génération par `make generate-nginx`
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Les vhosts nginx sont **générés** à l'image des unités de service systemd
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(`template.service` + `envsubst` → `generated/*.service`) : un template
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unique `contrib/template.vhost` est substitué par `envsubst` vers
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`contrib/generated/nginx/`, qui est **gitignoré** (comme `generated/`).
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HTTP/3 (QUIC) **termine au edge nginx** sur 443/udp. Kestrel reste en
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h1/h2 sur son port backend ; nginx lui parle en HTTP/1.1
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(`proxy_http_version 1.1`).
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## Génération
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```bash
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cd contrib
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# Preprod (défaut) -> generated/nginx/preprod-yavsc{Org,Blogs,Api}
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make generate-nginx
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# Production -> generated/nginx/yavsc{Org,Blogs,Api}
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make generate-nginx-prod
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# ou manuellement :
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make generate-nginx APP_INSTALL_ENV=production APP_INSTALL_PREFIX=
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```
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Les ports backend et `HTTP_HOST` proviennent de `.preprod.env` /
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`.production.env` (ex. prod Org=83, Api=87, Blogs=85 ; preprod 89/93/91).
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Le schéma backend est `https` en prod (Kestrel écoute HTTPS, cert
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Let's Encrypt) et `http` en preprod (Kestrel écoute HTTP simple).
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| Hôte | Sous-domaine | `reuseport` | Backend prod | Backend preprod |
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|-------|--------------|-------------|--------------|-----------------|
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| Org | yavsc | **oui** | `https://localhost:83` | `http://localhost:89` |
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| Api | api | non | `https://localhost:87` | `http://localhost:93` |
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| Blogs | blogs | non | `https://localhost:85` | `http://localhost:91` |
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Domaines : `<prefix><subdomain>.pschneider.fr`
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(prod : `yavsc.pschneider.fr` ; preprod : `preprod-yavsc.pschneider.fr`).
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## Déploiement sur le host
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```bash
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# depuis le host, après avoir copié les fichiers générés :
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sudo cp generated/nginx/yavscOrg /etc/nginx/sites-available/yavscOrg
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sudo ln -sf /etc/nginx/sites-available/yavscOrg /etc/nginx/sites-enabled/yavscOrg
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# (idem pour yavscApi, yavscBlogs)
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sudo nginx -t && sudo systemctl reload nginx
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```
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## Prérequis côté host
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1. **nginx ≥ 1.25** compilé avec `http_v3_module` :
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```bash
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nginx -V 2>&1 | grep -o 'http_v3_module' # doit être non vide
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```
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Debian 13 « trixie » fournit `nginx` avec `http_v3_module`. Sinon,
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`nginx-full` ou les backports.
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2. **UDP 443 ouvert** :
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```bash
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sudo ufw allow 443/udp
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sudo ufw status | grep '443/udp' # → ALLOW
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```
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3. Certbot / certs Let's Encrypt déjà en place (réutilisés tels quels —
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les chemins `/etc/letsencrypt/live/<domain>/{fullchain,privkey}.pm`
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sont référencés par le template).
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## Règle : un seul `reuseport` sur 443/quic
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`listen 443 quic reuseport;` ne peut figurer **qu'une seule fois** par
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couple adresse:port, pour tous les vhosts confondus. Le template le
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pose sur **Org** seulement (`QUIC_OPTS=reuseport` pour Org, vide pour
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Api/Blogs — règle `$(if $(filter Org,$*),reuseport,)` dans le
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`Makefile`). Si vous réordonnez les vhosts, gardez `reuseport` sur un
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seul.
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## Vérification (sur le host)
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```bash
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# 1. Module h3 présent
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nginx -V 2>&1 | grep -o 'http_v3_module'
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# 2. UDP 443 ouvert
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sudo ufw status | grep '443/udp'
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# 3. En-tête Alt-Svc annoncé
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curl -sI https://yavsc.pschneider.fr/ | grep -i alt-svc # → h3=":443"
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# 4. Requête HTTP/3 effective (curl doit être compilé avec HTTP/3)
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curl -v --http3 https://yavsc.pschneider.fr/ 2>&1 | grep -i 'HTTP/3'
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# 5. Fallback h2 et h1 toujours fonctionnels
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curl --http2 https://yavsc.pschneider.fr/ -o /dev/null -w '%{http_code}\n'
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curl --http1.1 https://yavsc.pschneider.fr/ -o /dev/null -w '%{http_code}\n'
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```
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Répéter 3-5 pour `api.pschneider.fr` et `blogs.pschneider.fr` (prod),
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et pour les trois domaines preprod. Sans curl HTTP/3, utiliser un
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navigateur : DevTools → Network → colonne « Protocole » affiche `h3`
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après la première mise à niveau.
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## Comment ça marche (template + envsubst)
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`contrib/template.vhost` contient des placeholders `$DOMAIN`,
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`$BACKEND_SCHEME`, `$HTTP_HOST`, `$BACKEND_PORT`, `$QUIC_OPTS`. La
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règle `generated/nginx/$(APP_INSTALL_PREFIX)yavsc%` du `Makefile` les
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substitue via `envsubst` avec une **allowlist** :
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```makefile
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envsubst '$DOMAIN $BACKEND_SCHEME $HTTP_HOST $BACKEND_PORT $QUIC_OPTS'
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```
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Cette allowlist est **critique** : elle limite la substitution aux 5
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variables citées, de sorte que les variables nginx intrinsèques
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(`$host`, `$scheme`, `$remote_addr`, `$proxy_add_x_forwarded_for`,
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`$request_uri`) survivent intactes dans le vhost généré. Sans
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allowlist, `envsubst` détruirait ces variables nginx.
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## Hors périmètre
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- **Kestrel inchangé** : ni `Protocols: Http1AndHttp2AndHttp3`, ni
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`libmsquic`. Si l'on veut plus tard que Kestrel parle aussi h3
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(accès direct sans nginx / topo L4), ajouter
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`Kestrel:Endpoints:Https:Protocols = "Http1AndHttp2AndHttp3"` dans
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les `appsettings-{app}*.json` + `apt install libmsquic` sur le host
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(Kestrel désactive h3 silencieusement si libmsquic absent — fallback
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gracieux).
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- **docker-compose / Dockerfile** : non touchés (déploiement réel
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bare-metal systemd + nginx).
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- **Backend HTTP/2** : nginx open-source ne supporte que HTTP/1.1 en
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upstream ; on garde `proxy_http_version 1.1`.
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32
contrib/template.appsettings-api.json
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32
contrib/template.appsettings-api.json
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{
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"Site": {
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"Authority": "https://preprod-yavsc.$DOMAIN",
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"Audience": ["api"],
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"CorsAllowedOrigins": [
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"https://preprod-blogs.$DOMAIN"
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],
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"Bills": "bills",
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"TempDir": "temp"
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},
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"Logging": {
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"LogLevel": {
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"Default": "Information",
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"Microsoft": "Warning",
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"Microsoft.Hosting.Lifetime": "Information"
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}
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},
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"Kestrel": {
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"Endpoints": {
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"Http": {
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"Url": "http://localhost:92"
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},
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"Https": {
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"Url": "https://localhost:93",
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"Certificate": {
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"Path": "/etc/letsencrypt/live/preprod-api.$DOMAIN/fullchain.pem",
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"KeyPath": "/etc/letsencrypt/live/preprod-api.$DOMAIN/privkey.pem"
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}
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}
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}
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}
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}
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39
contrib/template.appsettings-blogs.json
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39
contrib/template.appsettings-blogs.json
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{
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"Site": {
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"Title": "Yavsc Blogs",
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"Description": "A collection of blogs about software development, technology, and programming.",
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"Keywords": "software development, technology, programming, coding, blogs",
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"Authority": "https://preprod-yavsc.$DOMAIN",
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"Audience": ["blogs"],
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"CorsAllowedOrigins": [
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"https://preprod-api.$DOMAIN"
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],
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"Blog": "blog"
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},
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"ConnectionStrings": {
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"YavscConnection": "Server=localhost;Port=5432;Database=lame-db-name;Username=lame-user-name;Password=lame-password;"
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},
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"Logging": {
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"LogLevel": {
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"Default": "Information",
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"Microsoft": "Warning",
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"Microsoft.Hosting.Lifetime": "Information",
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"Microsoft.AspNetCore.Authentication": "Debug"
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}
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},
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"AllowedHosts": "*",
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"Kestrel": {
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"Endpoints": {
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"Http": {
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"Url": "http://localhost:90"
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},
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"Https": {
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"Url": "https://localhost:91",
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"Certificate": {
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"Path": "/etc/letsencrypt/live/preprod-blogs.$DOMAIN/fullchain.pem",
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"KeyPath": "/etc/letsencrypt/live/preprod-blogs.$DOMAIN/privkey.pem"
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}
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}
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}
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}
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}
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73
contrib/template.appsettings-org.json
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73
contrib/template.appsettings-org.json
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{
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"Logging": {
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"LogLevel": {
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"Default": "Information"
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}
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},
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"AllowedHosts": "*",
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"Site": {
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"Title": "yavsc",
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"Slogan": "Yavsc!",
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"StyleSheet": "/css/default.css",
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"Authority": "https://preprod-yavsc.$DOMAIN",
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"Audience": [
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"blogs",
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"api"
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],
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"ExternalUrl": "https://preprod-yavsc.$DOMAIN",
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"ApiUrl": "https://preprod-api.$DOMAIN",
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"CorsAllowedOrigins": [
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"https://preprod-blogs.$DOMAIN",
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"https://preprod-api.$DOMAIN"
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],
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"Banner": "/images/banner-dewang.jpg",
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"Owner": {
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"Name": "Paul Schneider",
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"EMail": "paul@pschneider.fr"
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},
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"Admin": {
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"Name": "Paul Schneider",
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"EMail": "paul@pschneider.fr"
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},
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"Quota": 200000000,
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"Blog": "blog",
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"Avatars": "avatars",
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"Bills": "bills",
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"TempDir": "temp",
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"DataDir": "data",
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"GitRepository": "git"
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},
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"Smtp": {
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"Host": "mercure.pschneider.fr",
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"Port": 465,
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"SenderName": "Paul Schneider",
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"SenderEmail": "paul@pschneider.fr",
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"UserName": "paul",
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"Password": "$SMTP_PASSWORD"
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},
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"DataProtection": {
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"Keys": {
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"Dir": "DataProtection"
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},
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"RSAParamFile": "RSA-Params.json",
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"ExpiresInHours": 168
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},
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"Moderation": {
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"AutoApproveThreshold": 0.7,
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"AutoRejectThreshold": 0.9
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},
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"Kestrel": {
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"Endpoints": {
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"Http": {
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"Url": "http://localhost:88"
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},
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"Https": {
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"Url": "https://localhost:89",
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"Certificate": {
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"Path": "/etc/letsencrypt/live/preprod-yavsc.$DOMAIN/fullchain.pem",
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"KeyPath": "/etc/letsencrypt/live/preprod-yavsc.$DOMAIN/privkey.pem"
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}
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}
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}
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}
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}
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44
contrib/template.vhost
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44
contrib/template.vhost
Normal file
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# Généré depuis contrib/template.vhost par `make generate-nginx` — NE PAS ÉDITER.
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# Vhost $DOMAIN — backend $BACKEND_SCHEME://$HTTP_HOST:$BACKEND_PORT
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# HTTP/3 (QUIC) termine au edge nginx ; Kestrel reste en h1/h2 backend.
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#
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# Variables substituées par envsubst (allowlist) :
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# DOMAIN BACKEND_SCHEME HTTP_HOST BACKEND_PORT QUIC_OPTS
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# Les variables nginx intrinsèques ($host, $scheme, $remote_addr, …) sont
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# préservées (hors allowlist).
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# Port 80 : redirection vers HTTPS. (Certbot/nginx-plugin gère les
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# challenges ACME ; ne pas servir l'app en HTTP clair.)
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server {
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listen 80;
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server_name $DOMAIN;
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return 301 https://$host$request_uri;
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}
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server {
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listen 443 ssl;
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listen 443 quic $QUIC_OPTS; # HTTP/3 (UDP 443) — reuseport sur un seul vhost
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http2 on; # HTTP/2 sur TCP
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server_name $DOMAIN;
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# Annonce HTTP/3 au client sur le même port 443/udp. `always` pour
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# émettre l'en-tête même sur les réponses d'erreur. Le navigateur
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# fait d'abord h1/h2 puis upgrade en h3.
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add_header Alt-Svc 'h3=":443"; ma=86400' always;
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ssl_certificate /etc/letsencrypt/live/$DOMAIN/fullchain.pem; # managed by Certbot
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ssl_certificate_key /etc/letsencrypt/live/$DOMAIN/privkey.pem; # managed by Certbot
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ssl_protocols TLSv1.2 TLSv1.3; # QUIC exige TLS 1.3 ; TLS 1.2 gardé pour le fallback TCP
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location / {
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proxy_pass $BACKEND_SCHEME://$HTTP_HOST:$BACKEND_PORT;
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proxy_http_version 1.1;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_read_timeout 100s;
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proxy_buffering off;
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}
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include server-status.conf;
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}
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