cors nginx (#69)

Author: astorDev

cors/nginx/Dockerfile

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+FROM nginx
+COPY default.conf /etc/nginx/templates/default.conf.template

cors/nginx/README.md

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+# Testing
+
+1. Deploy container
+
+```sh
+docker compose up -d --build
+```
+
+1. Open a website
+1. Open Developer console
+1. Run:
+
+```js
+fetch('http://localhost:7100/about').then(res => res.json()).then(console.log).catch(console.error);
+```

cors/nginx/compose.yml

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+services:
+  nginx:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - "7100:7100"

cors/nginx/default.conf

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+server {
+    listen 7100;
+
+    add_header 'Access-Control-Allow-Origin' '*' always;
+
+    location /about {
+        default_type application/json;
+        return 200 '{"description":"nginx router","version":"1.0"}';
+    }
+
+    error_page 404 @404_json;
+
+    location @404_json {
+      default_type application/json;
+      return 404 '{"statusCode":"NotFound","reason":"NoNginxRoute"}';
+    }
+}