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# we'll use 2 processors/core
worker_processes 2;
# we set a new limit for open files for our workers
worker_rlimit_nofile 100000;
# we define how we're going to work
events {
# for each worker we'll handle 4000 requests (enquee them)
worker_connections 4000;
# we'll accept multiple
multi_accept on;
# we'll use epoll as a IO event notification
use epoll;
# our server
http {
server_tokens off;
include /etc/nginx/mime.types;
default_type application/octet-stream;
access_log off;
open_file_cache max=200000 inactive=20s;
open_file_cache_valid 30s;
open_file_cache_min_uses 2;
open_file_cache_errors on;
sendfile on;
keepalive_timeout 30;
reset_timedout_connection on;
gzip on;
gzip_http_version 1.0;
gzip_proxied any;
gzip_min_length 500;
gzip_disable "MSIE [1-6]\.";
# we created that folder because we save our cache in there
proxy_cache_path /var/lib/nginx/proxy levels=1:2 keys_zone=backcache:8m max_size=50m;
proxy_cache_key "$scheme$request_method$host$request_uri$is_args$args";
proxy_cache_valid 404 1m;
# we'll forward request to our web app at 3000
upstream app_server {
server web:3000 fail_timeout=0;
server {
# listening at 80
listen 80;
# compreess it
gzip_static on;
gzip_http_version 1.1;
gzip_proxied expired no-cache no-store private auth;
gzip_disable "MSIE [1-6]\.";
gzip_vary on;
# some security precautions
client_body_buffer_size 8K;
client_max_body_size 20m;
client_body_timeout 10s;
client_header_buffer_size 1k;
large_client_header_buffers 2 16k;
client_header_timeout 5s;
keepalive_timeout 40;
# let's get rid of simple attackers GET /admin/setup.php ....
location ~ \.(aspx|php|jsp|cgi)$ {
return 404;
# let's try to serve static files otherwise forward to app
try_files $uri $uri/index.html $uri.html @app;
# app is a proxy to our web app
location @app {
proxy_set_header X-Url-Scheme $scheme;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $host;
proxy_redirect off;
proxy_pass http://app_server;
# let's serve error pages
error_page 500 502 503 504 /500.html;
location = /500.html {
root /myapp/public;
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