AWS Beanstalk Nginx Configuration

.ebextensions - files.config

files:
  "/etc/sysctl.d/99_networking.conf":
    mode: "000644"
    owner: root
    group: root
    content: |
      net.core.somaxconn = 16384
      net.core.netdev_max_backlog = 16384

  "/etc/security/limits.conf":
    mode: "000644"
    encoding: plain
    owner: root
    group: root
    content: |
      # THIS FILE HAS BEEN MODIFIED BY AN `.ebextensions` SCRIPT
      *               soft    nofile          65535
      *               hard    nofile          65535
      root            soft    nofile          65535
      root            hard    nofile          65535

container_commands:
  01_reload_nginx:
    command: "sudo service nginx reload"

.ebextensions - nginx - nginx.conf

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /var/run/nginx.pid;


# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;


# Max amount of open files
worker_rlimit_nofile 65535;


# Events
events {
  worker_connections 8192;
  use epoll;
}



########
# HTTP #
########


http {

  # Logs

  log_format main '$remote_addr - $remote_user [$time_local] "$request" '
                  '$status $body_bytes_sent "$http_referer" '
                  '"$http_user_agent" "$http_x_forwarded_for"';

  log_format healthd '$msec"$uri"'
                     '$status"$request_time"$upstream_response_time"'
                     '$http_x_forwarded_for';

  access_log /var/log/nginx/access.log main;


  # Settings

  sendfile on;
  tcp_nopush on;
  tcp_nodelay on;
  keepalive_timeout 65;
  types_hash_max_size 2048;
  client_max_body_size 250M;


  # Mime types

  include /etc/nginx/mime.types;
  default_type application/octet-stream;


  # Upstream

  upstream application_interface {
    server unix:///var/run/puma/my_app.sock fail_timeout=300s max_fails=3 max_conns=0;
  }


  # Index

  index index.html index.htm;


  # Server
  # ======

  server {
    listen 80 backlog=16384 default_server;
    server_name _ localhost; # need to listen to localhost for worker tier


    # Time

    if ($time_iso8601 ~ "^(\d{4})-(\d{2})-(\d{2})T(\d{2})") {
      set $year $1;
      set $month $2;
      set $day $3;
      set $hour $4;
    }


    # Logs

    access_log /var/log/nginx/access.log  main;
    access_log /var/log/nginx/healthd/application.log.$year-$month-$day-$hour healthd;


    # Locations

    location / {
      proxy_pass http://application_interface;
      proxy_set_header Host $host;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }

    location /assets {
      alias /var/app/current/public/assets;
      gzip_static on;
      gzip on;
      expires max;
      add_header Cache-Control public;
    }

    location /public {
      alias /var/app/current/public;
      gzip_static on;
      gzip on;
      expires max;
      add_header Cache-Control public;
    }


    # EBS
    # ---

    include conf.d/elasticbeanstalk/*.conf;
  }
}

lsof | wc -l.txt

405

ulimit -a.txt

core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 15741
max locked memory       (kbytes, -l) 64
max memory size         (kbytes, -m) unlimited
open files                      (-n) 65535
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 8192
cpu time               (seconds, -t) unlimited
max user processes              (-u) 15741
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited