diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index 8a9e635..f0b4d8b 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -70,9 +70,9 @@ services:
   nginx:
     image: nginx
     environment:
-      - API_URL=http://back:3000
-      - SCOROMETER_URL=http://scorometer:6543
-      - FRONT_URL=http://front:19006
+      - API_URL=${API_URL:-http://back:3000}
+      - SCOROMETER_URL=${SCOROMETER_URL:-http://scorometer:6543}
+      - FRONT_URL=${FRONT_URL:-http://front:19006}
       - PORT=4567
     depends_on:
       - back
diff --git a/front/API.ts b/front/API.ts
index d4cb899..5254500 100644
--- a/front/API.ts
+++ b/front/API.ts
@@ -66,9 +66,7 @@ export class ValidationError extends Error {
 
 export default class API {
 	public static readonly baseUrl =
-		process.env.NODE_ENV != 'development' && Platform.OS === 'web'
-			? '/api'
-			: process.env.EXPO_PUBLIC_API_URL!;
+		Platform.OS === 'web' ? '/api' : process.env.EXPO_PUBLIC_API_URL!;
 	public static async fetch(
 		params: FetchParams,
 		handle: Pick<Required<HandleParams>, 'raw'>
diff --git a/front/nginx.conf.template.dev b/front/nginx.conf.template.dev
index b7caf3b..66aba7b 100644
--- a/front/nginx.conf.template.dev
+++ b/front/nginx.conf.template.dev
@@ -21,7 +21,8 @@ server {
 		proxy_set_header X-Forwarded-Scheme $scheme;
 		proxy_set_header X-Forwarded-Proto  $scheme;
 		proxy_set_header X-Forwarded-For    $remote_addr;
-		proxy_pass ${SCOROMETER_URL};
+		set $upstream ${SCOROMETER_URL};
+		proxy_pass $upstream;
 		proxy_set_header Upgrade $http_upgrade;
 		proxy_set_header Connection $http_connection;
 		proxy_http_version 1.1;
diff --git a/shell.nix b/shell.nix
index 6aa53b8..0fa4181 100644
--- a/shell.nix
+++ b/shell.nix
@@ -8,7 +8,7 @@ pkgs.mkShell {
     eslint_d
     nodejs_16
     yarn
-    (python3.withPackages (ps: with ps; [requests]))
+    (python3.withPackages (ps: with ps; [requests mido]))
     pkg-config
   ];
   shellHook = with pkgs; ''