title: docker-compose up fails for nginx container
body: <p>I am getting the following error when I run docker-compose up:</p>
  
  <pre><code>backend_1_a5b5a2caf6fc | 2019/04/28 21:40:49 [emerg] 1#1: no "ssl_certificate" is defined for the "listen ... ssl" directive in /etc/nginx/conf.d/default.conf:4
  backend_1_a5b5a2caf6fc | nginx: [emerg] no "ssl_certificate" is defined for the "listen ... ssl" directive in /etc/nginx/conf.d/default.conf:4
  ...
  ...
  production_backend_1_a5b5a2caf6fc exited with code 1
  </code></pre>
  
  <p>Here is my Dockerfile for nginx:</p>
  
  <pre><code>FROM nginx
  
  COPY nginx.conf /etc/nginx/conf.d/default.conf
  </code></pre>
  
  <p><strong>default.conf:</strong></p>
  
  <pre><code>fastcgi_cache_path /dev/shm levels=1:2 keys_zone=laravel:100m;
  fastcgi_cache_key "$scheme$request_method$host$request_uri$query_string";
  
  server {
     listen 80 default_server;
  
     root   /var/www/public;
     index  index.php index.html;
  
     client_max_body_size 5M;
  
   ...
   ...
  </code></pre>
  
  <p><strong>docker-compose.yml:</strong></p>
  
  <pre><code>version: '3'
  
  services:
  
    backend:
      build: ./nginx
      depends_on:
      - db
      - redis
      working_dir: /var/www
      volumes:
        - ../../src:/var/www
      ports:
        - 80:80
  ...
  ...
  </code></pre>