diff --git a/.gitignore b/.gitignore
index 2a939eb..e9400a4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 /node_modules
-/src/config.pug
+/src/config.js
 /www/index.html
+/www/index.prod.html
 /www/styles/
 /www/scripts/
 /www/lib/
diff --git a/Makefile b/Makefile
index 6bbdda3..c695b4c 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,6 @@ default: build
 clean:
 	git clean -fXd -e !src/config.pug
 
-
 install: node_modules copy_lib copy_samples submodules
 
 submodules:
@@ -38,13 +37,24 @@ copy_lib:
 	@node copy_lib.js
 
 # samples
-copy_samples:
-	@cp -n src/config.sample.pug src/config.pug
+copy_samples: src/config.json
+
+src/config.json:
+	@cp -n src/config.sample.json src/config.json
 
 # pug
-$(DIST_DIR)/index.html: src/index.pug $(wildcard src/*.pug src/*/*.pug)
+$(DIST_DIR)/index.html: src/index.pug src/config.json $(wildcard src/*.pug src/*/*.pug)
 	@echo pug: $< ➜ $@
-	@node_modules/.bin/pug --pretty $< --out $(dir $@) || touch $@
+	
+	@export ENV="dev"; \
+	node_modules/.bin/pug --pretty $< --out $(dir $@) -O src/config.json || touch $@
+
+# pug (prod)
+$(DIST_DIR)/index.prod.html: src/index.pug src/config.json $(wildcard src/*.pug src/*/*.pug)
+	@echo pug: $< ➜ $@
+	
+	@export ENV="prod"; \
+	node_modules/.bin/pug --pretty $< --out $(dir $@) -E prod.html -O src/config.json || touch $@
 
 # sass
 $(DIST_DIR)/styles/index.css: src/styles/index.scss $(wildcard src/*.scss src/*/*.scss)
@@ -58,16 +68,16 @@ $(DIST_DIR)/%.js: src/%.js .babelrc
 	@node_modules/.bin/babel $< --out-file $@ --source-maps || touch $@
 
 buildprod: build
-	export SDN="https://test-paris.happy-dev.fr"; \
-	$(MAKE) $(DIST_DIR)/index.html -B
+	$(MAKE) $(DIST_DIR)/index.prod.html
 
 deploy: pull install build
 
 pull:
 	git pull
 
-sync:
-	rsync -rv www/* staging-app@ssh-staging-app.happy-dev.fr:~/staging-app.happy-dev.fr/ --exclude=www/oidc-client-config.json
+sync: buildprod
+	rsync -rv www/* staging-app@ssh-staging-app.happy-dev.fr:~/staging-app.happy-dev.fr/ --exclude=www/index.html --exclude=www/index.prod.html
+	rsync --no-R --no-implied-dirs www/index.prod.html staging-app@ssh-staging-app.happy-dev.fr:~/staging-app.happy-dev.fr/index.aaa.html
 	rsync -v www/.htaccess staging-app@ssh-staging-app.happy-dev.fr:~/staging-app.happy-dev.fr/
 
 .PHONY: default install submodules copy_lib copy_samples build watch serve clean sync buildprod pull deploy
\ No newline at end of file
diff --git a/src/config.integration.pug b/src/config.integration.pug
deleted file mode 100644
index 787f6be..0000000
--- a/src/config.integration.pug
+++ /dev/null
@@ -1,4 +0,0 @@
-- var sdn = process.env.SDN || 'https://test-paris.happy-dev.fr'
-- var cdn = process.env.CDN || 'staging-app.happy-dev.fr'
-- var xmpp = 'https://jabber.happy-dev.fr/http-bind/'
-- var client_id = 833925
diff --git a/src/config.json b/src/config.json
new file mode 100644
index 0000000..085b314
--- /dev/null
+++ b/src/config.json
@@ -0,0 +1,15 @@
+{
+  "dev": {
+    "sdn": "http://127.0.0.1:8000",
+    "cdn": "https://cdn.happy-dev.fr",
+    "xmpp": "https://jabber.happy-dev.fr/http-bind/",
+    "client_id": "833925"
+  },
+
+  "prod": {
+    "sdn": "https://test-paris.happy-dev.fr",
+    "cdn": "https://cdn.happy-dev.fr",
+    "xmpp": "https://jabber.happy-dev.fr/http-bind/",
+    "client_id": "833925"
+  }
+}
diff --git a/src/config.local.pug b/src/config.local.pug
deleted file mode 100644
index 4ab4c7b..0000000
--- a/src/config.local.pug
+++ /dev/null
@@ -1,4 +0,0 @@
-- var sdn = process.env.SDN || 'http://127.0.0.1:8000'
-- var cdn = process.env.CDN || 'staging-app.happy-dev.fr'
-- var xmpp = 'https://jabber.happy-dev.fr/http-bind/'
-- var client_id = 863031
diff --git a/src/config.sample.json b/src/config.sample.json
new file mode 100644
index 0000000..085b314
--- /dev/null
+++ b/src/config.sample.json
@@ -0,0 +1,15 @@
+{
+  "dev": {
+    "sdn": "http://127.0.0.1:8000",
+    "cdn": "https://cdn.happy-dev.fr",
+    "xmpp": "https://jabber.happy-dev.fr/http-bind/",
+    "client_id": "833925"
+  },
+
+  "prod": {
+    "sdn": "https://test-paris.happy-dev.fr",
+    "cdn": "https://cdn.happy-dev.fr",
+    "xmpp": "https://jabber.happy-dev.fr/http-bind/",
+    "client_id": "833925"
+  }
+}
diff --git a/src/config.sample.pug b/src/config.sample.pug
deleted file mode 100644
index 3afab8b..0000000
--- a/src/config.sample.pug
+++ /dev/null
@@ -1,4 +0,0 @@
-- var sdn = process.env.SDN || 'http://127.0.0.1:8000'
-- var cdn = process.env.CDN || 'https://cdn.happy-dev.fr'
-- var xmpp = 'https://jabber.happy-dev.fr/http-bind/'
-- var client_id = '833925'
diff --git a/src/get_config.pug b/src/get_config.pug
new file mode 100644
index 0000000..befcb19
--- /dev/null
+++ b/src/get_config.pug
@@ -0,0 +1,6 @@
+- var __env = locals[process.env.ENV]
+
+-
+  for(k in __env){
+    eval(`var ${k} = __env[${JSON.stringify(k)}]`);
+  }
\ No newline at end of file
diff --git a/src/index.pug b/src/index.pug
index 60d534a..146c45c 100644
--- a/src/index.pug
+++ b/src/index.pug
@@ -1,4 +1,4 @@
-include config.pug
+include get_config.pug
 <!DOCTYPE html>
 html(lang="en")
   head