From e24116988c35a34706687205634f9711c164f813 Mon Sep 17 00:00:00 2001
From: Victor Baranov <baranov.viktor.27@gmail.com>
Date: Tue, 4 Jul 2023 11:21:18 +0300
Subject: [PATCH] CORS setup for docker-compose config with new frontend
 (#7841)

* CORS setup for docker-compose with new frontend

* Add NEXT_PUBLIC_API_WEBSOCKET_PROTOCOL=ws for docker compose with new frontend
---
 CHANGELOG.md                                  |  1 +
 docker-compose/envs/common-frontend.env       |  5 +-
 docker-compose/proxy/nginx.conf               | 51 ++++++++++++++++---
 .../services/docker-compose-nginx.yml         |  4 +-
 4 files changed, 50 insertions(+), 11 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 73378e7d95..6e28bf394b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@
 
 ### Chore
 
+- [#7841](https://github.com/blockscout/blockscout/pull/7841) - CORS setup for docker-compose config with new frontend
 - [#7832](https://github.com/blockscout/blockscout/pull/7832) - API v2: Add block_number to logs
 - [#7789](https://github.com/blockscout/blockscout/pull/7789) - Fix test warnings; Fix name of `MICROSERVICE_ETH_BYTECODE_DB_INTERVAL_BETWEEN_LOOKUPS` env variable
 - [#7819](https://github.com/blockscout/blockscout/pull/7819) - Add logging for unknown error verification result
diff --git a/docker-compose/envs/common-frontend.env b/docker-compose/envs/common-frontend.env
index 9f75a9c50e..84da58952b 100644
--- a/docker-compose/envs/common-frontend.env
+++ b/docker-compose/envs/common-frontend.env
@@ -1,7 +1,7 @@
 NEXT_PUBLIC_API_HOST=localhost
-NEXT_PUBLIC_STATS_API_HOST=http://localhost
-NEXT_PUBLIC_API_PORT=80
+NEXT_PUBLIC_API_PORT=81
 NEXT_PUBLIC_API_PROTOCOL=http
+NEXT_PUBLIC_STATS_API_HOST=http://localhost:82
 NEXT_PUBLIC_NETWORK_NAME=Göerli
 NEXT_PUBLIC_NETWORK_SHORT_NAME=Göerli
 NEXT_PUBLIC_NETWORK_ASSETS_PATHNAME=ethereum
@@ -23,3 +23,4 @@ NEXT_PUBLIC_NETWORK_LOGO=https://raw.githubusercontent.com/blockscout/frontend-c
 NEXT_PUBLIC_NETWORK_ICON=https://raw.githubusercontent.com/blockscout/frontend-configs/main/configs/network-icons/goerli.svg
 NEXT_PUBLIC_HOMEPAGE_PLATE_GRADIENT="radial-gradient(103.03% 103.03% at 0% 0%, rgba(183, 148, 244, 0.8) 0%, rgba(0, 163, 196, 0.8) 100%)"
 NEXT_PUBLIC_HOMEPAGE_PLATE_TEXT_COLOR="rgb(255, 255, 255)"
+NEXT_PUBLIC_API_WEBSOCKET_PROTOCOL='ws'
diff --git a/docker-compose/proxy/nginx.conf b/docker-compose/proxy/nginx.conf
index 1b88890635..d20a44c819 100644
--- a/docker-compose/proxy/nginx.conf
+++ b/docker-compose/proxy/nginx.conf
@@ -5,17 +5,52 @@ server {
     location / {
         proxy_pass          http://frontend:3000;
     }
-    location /api/v2 {
-        proxy_pass          http://backend:4000/api/v2;
+    location /socket/v2 {
+        proxy_pass http://backend:4000;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "Upgrade";
+        proxy_set_header Host $host;
+    }
+    location /api/ {
+        proxy_pass          http://backend:4000/api;
     }
-    location /api/account/v1 {
-        proxy_pass          http://backend:4000/api/account/v1;
+}
+
+server {
+    listen       81;
+    server_name  localhost;
+    proxy_http_version 1.1;
+    proxy_hide_header Access-Control-Allow-Origin;
+    proxy_hide_header Access-Control-Allow-Methods;
+    add_header 'Access-Control-Allow-Origin' 'http://localhost' always;
+    add_header 'Access-Control-Allow-Methods' 'PUT, GET, POST, OPTIONS, DELETE, PATCH' always;
+
+    location / {
+        proxy_pass          http://backend:4000;
     }
-    location /api/v1/counters {
-        proxy_pass          http://stats:8050/api/v1/counters;
+
+    location /socket {
+        proxy_pass http://backend:4000;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "Upgrade";
+        proxy_set_header Host $host;
     }
-    location /api/v1/lines {
-        proxy_pass          http://stats:8050/api/v1/lines;
+}
+
+server {
+    listen       82;
+    server_name  localhost;
+    proxy_http_version 1.1;
+    proxy_hide_header Access-Control-Allow-Origin;
+    proxy_hide_header Access-Control-Allow-Methods;
+    add_header 'Access-Control-Allow-Origin' 'http://localhost' always;
+    add_header 'Access-Control-Allow-Credentials' 'true' always;
+    add_header 'Access-Control-Allow-Methods' 'PUT, GET, POST, OPTIONS, DELETE, PATCH' always;
+
+    location / {
+        proxy_pass          http://stats:8050;
     }
     location /socket/v2 {
         proxy_pass http://backend:4000;
diff --git a/docker-compose/services/docker-compose-nginx.yml b/docker-compose/services/docker-compose-nginx.yml
index 79ede9d962..2d2bd87dc1 100644
--- a/docker-compose/services/docker-compose-nginx.yml
+++ b/docker-compose/services/docker-compose-nginx.yml
@@ -9,4 +9,6 @@ services:
         target: /etc/nginx/conf.d/default.conf
         read_only: true
     ports:
-      - 80:80
\ No newline at end of file
+      - 80:80
+      - 81:81
+      - 82:82
\ No newline at end of file