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nginx -v
nginx version: nginx/1.20.0

more /etc/nginx/nginx.conf
# For more information on configuration, see:
#   * Official English Documentation: http://nginx.org/en/docs/
#   * Official Russian Documentation: http://nginx.org/ru/docs/

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db.person.getIndexes()

db.person.createIndex( { "personId": 1 }, { unique: true } )

	Index already exists with different options

db.person.dropIndex("personId_1")

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fields @timestamp, @message
| filter (@message like /records=/)
| parse @message /records=(?<records>\S+)/
| filter records >= 200
| sort @timestamp desc
| limit 2000

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#!/usr/bin/env python3
#
# https://realpython.com/primer-on-python-decorators/

import functools
import math

# a decorator:
# - takes a function f1 as argument
# - returns a new function f2

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You can run the operation in the web shell below:
https://docs.mongodb.com/manual/tutorial/query-arrays/

# to find(query) with two conditions on the same field, use $and:

db.inventory.find(
	{$and:
		[
		{tags: {$size:3}},

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package main

import (
	"fmt"
	"io"
	"net"
)

func main() {
	ln, err := net.Listen("tcp", ":8080")

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https://auth0.com/blog/how-to-handle-jwt-in-python/

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Add annotations to pod:

metadata:
  annotations:
   prometheus.io/scrape: 'true'
   prometheus.io/path: '/data/metrics'
   prometheus.io/port: '80'

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1. Install session manager plugin: https://docs.aws.amazon.com/systems-manager/latest/userguide/session-manager-working-with-install-plugin.html#install-plugin-linux

2. Authorize ssh key in ec2-user

3. Set up aws profile prd, login into it, etc.

4. Use this config:

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get ca cert

openssl s_client -showcerts -servername servername -connect servername:443 > /tmp/cacert.pem

show

openssl x509 -in /tmp/cacert.pem -text

use ca cert