get nginx to play nicely with php-fpm in docker

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I am trying to setup docker with nginx and php-fpm but it seems like there’s something going wrong with regards to nginx conf (I don’t know what exactly).

Here’s docker-compose.yml

version: '3.3'

services:
  php:
    image: php:7.1-fpm
    volumes:
      - .:/var/www/html
    working_dir: /var/www/html
    networks:
      - web

  nginx:
    image: nginx
    depends_on:
      - php
    working_dir: /var/www/html
    volumes:
      - .:/var/www/html
      - ./nginx.conf:/etc/nginx/conf.d/web.conf:ro
    ports:
      - 8000:80
    networks:
      - web

networks:
  web:

nginx.conf

server {
  listen 80 default_server;
  server_name localhost;

  index index.php index.html;
  root /var/www/html/code;

  location ~ .php$ {
    try_files $uri =404;

    fastcgi_split_path_info ^(.+.php)(/.+)$;
    fastcgi_pass php:9000;
    fastcgi_index index.php;

    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    fastcgi_param PATH_INFO $fastcgi_path_info;

    include fastcgi_params;
  }
}

./code/index.php

<?php phpinfo(); ?>

And then on the terminal

docker-compose up -d

I don’t understand what I am doing wrong here but when I visit http://localhost:8000 I get the nginx welcome page instead of what’s within code/index.php.

Can anyone help? Thanks

P.S: I am running the latest docker desktop on a mac.

Source: StackOverflow