slides_modulo2.md

Modulo 2: Containers, Networking, Web server, TLS (4h)

Docker intro (30’)

• Concetti: Container, Image, Volume, Network
• Tools: docker run, docker exec, docker ps, docker images
• Esercizio:
  • docker run hello-world

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Docker compose intro (30’)

• Concetti: Compose, Network, Volume
• Tools: docker compose up, docker compose down, docker compose ps, docker compose logs
• Esercizio:
  • Creare container con volume
  • Montare volume
  • Analisi log

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Networking Fundamentals (30’)

• Concetti: IP, subnet, gateway, DNS, /etc/hosts
• Tools: ping, traceroute, nslookup/dig, ss/netstat
• Sicurezza: Firewall, WAF, porte TCP/UDP
• Esercizio: Configurare Network tra container

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Traefik e NGINX (30’)

• Ruoli: Static server vs Reverse proxy
• Esercizio:
  • Usare Traefik come reverse proxy
  • Servire pagina statica
  • Analisi log access/error

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SSL/TLS Basics (30’)

• Componenti: Certificati, Chiavi, CA, CSR
• Pratica:
  • Generare self-signed cert (OpenSSL)
  • Configurare HTTPS su NGINX (8443)
  • Test curl -k

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JSON, YAML, JSONPath (20’)

• Formati: Sintassi e differenze
• Tools: jq, yq
• Esercizio:
  • Parsing JSON con jq
  • Conversione YAML/JSON

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Checkpoint (10’)

• Quiz e Retrospettiva