Certificate

Q: How deeply does Learn Docker in a Month of Lunches, Second Edition cover certificate?

Explains generation, mounting, configuration, and redirection, but defers detailed protocol and cipher choices.

As explained in Learn Docker in a Month of Lunches, Second Edition

A digital certificate binds a domain identity to a cryptographic public key for authenticating a network endpoint.

An SSL certificate enables a reverse proxy to serve an application over HTTPS. Centralizing certificates in Nginx avoids configuring them separately in every application container. section 20.2

A local HTTPS setup follows these steps:

Generate a self-signed certificate and key with OpenSSL in a container, mounting the output into the local certificates directory. section 20.2
Mount the certificates into Nginx, install an HTTPS site configuration, and reload Nginx. section 20.2
Redirect HTTP requests to HTTPS and serve the site on port 443 with the certificate and private key. section 20.2

# generate a self-signed certificate - Linux containers:
docker container run -v "$(pwd)/nginx/certs:/certs" `
 -e HOST_NAME=image-gallery.local diamol/cert-generator:2e
# OR Windows Server containers:
docker container run -v "$(pwd)/nginx/certs:C:\certs" `
 -e HOST_NAME=image-gallery.Local diamol/cert-generator:2e
# remove the existing image-gallery configuration:
rm ./nginx/sites-enabled/image-gallery.local
# copy in the new site configuration with SSL:
cp ./nginx/sites-available/image-gallery-3.local `
 ./nginx/sites-enabled/image-gallery.local
# and restart nginx:
docker exec nginx-nginx-1 nginx -s reload
# browse to http:/./image-gallery.local

Use the commands to generate a local certificate for image-gallery.local, install the SSL configuration, reload Nginx, and test the site. section 20.2

How Learn Docker in a Month of Lunches, Second Edition covers it

Cover of Learn Docker in a Month of Lunches, Second Edition

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Also explained in

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WordPress Power Toolkit: Harness AI to build next-level websitesA certificate is a credential issued to recognize completion of a course or fulfillment of specified learning requirements.
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100 SQL Server Mistakes and How to Avoid ThemA certificate is a cryptographic object containing a public key and identity information that can support encryption or authentication.
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Data Pipelines with Apache Airflow, Second EditionA digital certificate is a signed data structure that binds an identity to a public key and includes information for validating that binding.
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Logs and TelemetryA digital certificate is a signed credential that binds an identity to a public key for authenticated communication.
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Kubernetes for DevelopersA TLS certificate is a digital certificate that authenticates a network endpoint and supports Transport Layer Security connections.
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Google Anthos in ActionA certificate is a digitally signed credential that binds an identity to a public key or other authenticated information.
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.NET in Action, Second EditionA certificate is a digitally signed credential that binds an identity to a public key for establishing authenticated secure connections.
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Authorization in ActionA digital certificate is a signed data record that binds an identity or domain name to a public key.

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Related concepts

certification authorityproduced by · A certification authority is a trusted entity that verifies identities and issues digitally signed certificates binding public keys to identities or domains.
public keyhas part · A public key is the openly distributable component of an asymmetric cryptographic key pair, used for encryption, authentication, or signature verification.
self-signed certificateincludes · A self-signed certificate is a digital certificate whose signature is created by the same entity and key identified by the certificate rather than by a certificate authority.
TLSused by · Transport Layer Security (TLS) is a cryptographic protocol that protects network communications through confidentiality, integrity, and authentication of communicating endpoints.
mutual TLSused by · Mutual TLS is a Transport Layer Security configuration in which both communicating endpoints authenticate each other using digital certificates.
public-key infrastructureused by · Public-key infrastructure is a framework of authorities, certificates, keys, policies, and procedures for establishing and managing public-key trust and digital identities.

This explainer was generated by Manning's knowledge graph from the text of Learn Docker in a Month of Lunches, Second Edition. The section links point to the parts of the book it draws on.