Configuration for php fpm with workers for stack overflow question

php-fpm.conf

[global]
pid = /run/php/php7.0-fpm.pid
error_log = /var/log/php7.0-fpm.log
log_level = notice

include=/etc/php/7.0/fpm/pool.d/*.conf

php.ini

[PHP]

engine = On
precision = 14
output_buffering = 4096
zlib.output_compression = Off
implicit_flush = Off
unserialize_callback_func =
serialize_precision = 17
open_basedir = "/var/www/html:/var/www/tribe"

disable_functions = pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,

disable_classes =

zend.enable_gc = On

expose_php = Off

max_execution_time = 30
max_input_time = 60
memory_limit = 128M
error_reporting = E_ALL & ~E_DEPRECATED & ~E_STRICT
display_errors = Off
display_startup_errors = Off
log_errors = On
log_errors_max_len = 1024
ignore_repeated_errors = Off
ignore_repeated_source = Off
report_memleaks = On
track_errors = Off
html_errors = On

error_log = /var/log/php_errors.log
variables_order = "GPCS"

request_order = "GP"

register_argc_argv = Off

auto_globals_jit = On

post_max_size = 5M

auto_prepend_file =
auto_append_file =

default_mimetype = "text/html"
default_charset = "UTF-8"

doc_root =
user_dir =
enable_dl = Off

file_uploads = On
upload_tmp_dir = "/var/lib/php/sessions"
upload_max_filesize = 5M
max_file_uploads = 20

allow_url_fopen = Off
allow_url_include = Off

default_socket_timeout = 60


[CLI Server]
cli_server.color = On

[Date]

[filter]

[iconv]

[intl]

[sqlite3]

[Pcre]

[Pdo]

[Pdo_mysql]
pdo_mysql.cache_size = 2000

pdo_mysql.default_socket=

[Phar]

[mail function]
SMTP = localhost
smtp_port = 25

mail.add_x_header = On

[SQL]
; http://php.net/sql.safe-mode
sql.safe_mode = On

[ODBC]
odbc.allow_persistent = On
odbc.check_persistent = On
odbc.max_persistent = -1
odbc.max_links = -1
odbc.defaultlrl = 4096
odbc.defaultbinmode = 1

[Interbase]
ibase.allow_persistent = 1

ibase.max_persistent = -1

ibase.max_links = -1

ibase.timestampformat = "%Y-%m-%d %H:%M:%S"

ibase.dateformat = "%Y-%m-%d"

ibase.timeformat = "%H:%M:%S"

[MySQLi]

mysqli.max_persistent = -1
mysqli.allow_persistent = On
mysqli.max_links = -1
mysqli.cache_size = 2000
mysqli.default_port = 3306
mysqli.default_socket =
mysqli.default_host =
mysqli.default_user =
mysqli.default_pw =
mysqli.reconnect = Off

[mysqlnd]
mysqlnd.collect_statistics = On
mysqlnd.collect_memory_statistics = Off

[OCI8]


[PostgreSQL]
pgsql.allow_persistent = On
pgsql.auto_reset_persistent = Off
pgsql.max_persistent = -1
pgsql.max_links = -1
pgsql.ignore_notice = 0
pgsql.log_notice = 0

[bcmath]
bcmath.scale = 0

[browscap]

[Session]
session.save_handler = files

session.save_path = "/var/lib/php/sessions"

session.use_strict_mode = 0

session.use_cookies = 1

session.use_only_cookies = 1

session.name = PHPSESSID

session.auto_start = 0

session.cookie_lifetime = 0

session.cookie_path = /

session.cookie_domain =

session.cookie_httponly =

session.serialize_handler = php

session.gc_probability = 0
session.gc_divisor = 1000

session.gc_maxlifetime = 1440


session.referer_check =

session.cache_limiter = nocache

session.cache_expire = 180

session.use_trans_sid = 0

session.hash_function = 0

session.hash_bits_per_character = 5

url_rewriter.tags = "a=href,area=href,frame=src,input=src,form=fakeentry"

[Assertion]

zend.assertions = -1


[COM]

[mbstring]

[gd]

[exif]

[Tidy]
tidy.clean_output = Off

[soap]
soap.wsdl_cache_enabled=1

soap.wsdl_cache_dir="/tmp"

soap.wsdl_cache_ttl=86400

soap.wsdl_cache_limit = 5

[sysvshm]

[ldap]
ldap.max_links = -1

[mcrypt]

[dba]

[opcache]

[curl]

[openssl]

; Local Variables:
; tab-width: 4
; End:

site.conf

server {
    # Ports to listen on, uncomment one.
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    # Server name to listen for
    server_name foo.bar.com;

    # Path to document root
    root /var/www/foo;

    # Paths to certificate files.
    ssl_certificate /etc/ssl/certs/foo_cert_chain.crt;
    ssl_certificate_key /etc/ssl/certs/foo_server.key;

    # File to be used as index
    index index.php;

    # Overrides logs defined in nginx.conf, allows per site logs.
    access_log /var/log/nginx/foo/access.log;
    error_log /var/log/nginx/foo/error.log;

    location / {
        fastcgi_param   APPLICATION_ENV  production;
        try_files $uri $uri/ /index.php?$args;
    }

    location ~ \.php$ {
        fastcgi_param   APPLICATION_ENV  production;
        try_files $uri $uri/ /index.php?$args =404;
        # try_files $uri =404;

        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass unix:/run/php/php7.0-fpm.sock;
        fastcgi_index index.php;

        include /etc/nginx/fastcgi.conf;

        # Change socket if using a different PHP version
        #fastcgi_pass unix:/run/php/php7.1-fpm.sock;
        #fastcgi_pass unix:/run/php/php7.0-fpm.sock;
        #fastcgi_pass unix:/var/run/php5-fpm.sock;
    }
}

# Redirect http to https
server {
    listen 80;
    listen [::]:80;
    server_name foo.bar.com;

    return 301 https://foo.bar.com$request_uri;
}

www.conf

[www]
user = www-data
group = www-data
listen = /run/php/php7.0-fpm.sock
listen.owner = www-data
listen.group = www-data
pm = dynamic
pm.max_children = 5
pm.start_servers = 2
pm.min_spare_servers = 1
pm.max_spare_servers = 3
pm.max_requests = 500
access.log = /var/log/php-fpm/$pool.access.log
access.format = "%R - %u %t \"%m %r%Q%q\" %s %f %{mili}d %{kilo}M %C%%"
slowlog = /var/log/$pool.log.slow
request_slowlog_timeout = 5s
request_terminate_timeout = 10
;catch_workers_output = yes
;php_admin_value[sendmail_path] = /usr/sbin/sendmail -t -i -f www@my.domain.com
php_flag[display_errors] = off
php_admin_flag[log_errors] = on
php_admin_value[error_log] = /var/log/php-fpm/$pool.error.log
;php_admin_value[memory_limit] = 32M