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Backend

The invisible part of your application

Backend

Traefik - proxy development server with self-signed SSL certificate

Setup Docker Traefik container to proxy requests and serve your local content with self-signed SSL certificate.

  • Jan Grzegorowski
    Jan Grzegorowski
6 min read
Backend

RabbitMQ amqplib - "Error: Channel closed by server: 406 (PRECONDITION-FAILED) with message "PRECONDITION_FAILED - unknown delivery tag 1"

How to handle Error: Channel closed by server: 406 (PRECONDITION-FAILED) with message "PRECONDITION_FAILED - unknown delivery tag 1" and what are the reasons of this error message.

  • Jan Grzegorowski
    Jan Grzegorowski
1 min read
Docker

Grafana and InfluxDB with Let's Encrypt SSL on Docker

It seems extremely easy to do if you know all required Docker containers, but it's not so obvious if you are not a fluent Docker user. Update! Despite the fact that LE will

  • Jan Grzegorowski
    Jan Grzegorowski
6 min read
Docker

Grafana Docker container and Google Analytics

How easy is adding Google Analytics support to Grafana Docker container? It's trivial. Just add an environment variable to the Grafana container: GF_ANALYTICS_GOOGLE_ANALYTICS_UA_ID=[YOUR_UA_ID] Where: YOUR_

  • Jan Grzegorowski
    Jan Grzegorowski
1 min read
Docker

How to backup and restore InfluxDB which runs inside Docker container

Running InfluxDB inside Docker container is extremely easy with the official image available on Docker Hub https://hub.docker.com/_/influxdb/. Things get a little more complicated when it comes to creating and

  • Jan Grzegorowski
    Jan Grzegorowski
3 min read
Web developer toolset

Adding a CNAME record to the DNS

In order to check your current DNS records, you may use this tool https://www.samdns.com/ It allows you to specify DNS server, so you don't need to wait for the DNS

  • Jan Grzegorowski
    Jan Grzegorowski
2 min read
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