[feature] Caddy: Track logs + Timeouts

[gocanto]

Summary by CodeRabbit

• New Features

  • Introduced configurable log storage for Caddy, allowing logs to be persisted to a specified host directory.
  • Enhanced Caddy logging with JSON format and log rotation for improved log management.
  • Added backend connection and response timeouts for increased reliability.

• Chores

  • Updated example environment variables and documentation for log path configuration.
  • Adjusted file tracking to ensure Caddy log directories are properly included in version control.

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📥 Commits

Reviewing files that changed from the base of the PR and between 796fff9 and 7cbdb04.

📒 Files selected for processing (1)

• .env.example (1 hunks)

Walkthrough

A new environment variable for Caddy log storage was introduced and documented. The .gitignore was adjusted to allow tracking of Caddy log directories and files. The Caddy production configuration was updated to enhance logging and set backend timeouts. Docker Compose now mounts the Caddy log path from the host.

Changes

File(s)	Change Summary
.env.example	Added CADDY_LOGS_PATH variable for specifying Caddy log directory, with explanatory comment.
.gitignore	Updated to allow tracking of storage/logs/caddy and its .gitkeep file.
caddy/Caddyfile.prod	Enhanced logging: logs now output to /var/log/caddy/oullin.io.log (JSON, rotation), added backend timeouts.
docker-compose.yml	Mounted host's ${CADDY_LOGS_PATH} to /var/log/caddy in the caddy_prod service.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant DockerCompose
    participant CaddyContainer
    participant HostFS

    User->>DockerCompose: Start caddy_prod service
    DockerCompose->>CaddyContainer: Mount ${CADDY_LOGS_PATH} as /var/log/caddy
    CaddyContainer->>HostFS: Write logs to /var/log/caddy/oullin.io.log
    CaddyContainer->>CaddyContainer: Rotate logs after 10MB, keep 5 files

Loading

Poem

Logs now have a cozy home,
In paths the envs define—
With Docker mounts and tidy files,
Caddy’s logs align.
Timeouts set, rotation spins,
The system’s neat and dandy—
A bunny hops with joy within,
For tidy logs from Caddy! 🐇

---

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[coderabbitai]

Actionable comments posted: 2

🧹 Nitpick comments (1)

caddy/Caddyfile.prod (1)

31-37: Consider adding read_timeout for comprehensive backend protection.

The timeout configuration is good for preventing slow backends from holding up resources. Consider adding a read_timeout to complement the existing timeouts for more comprehensive protection.

    reverse_proxy api:8080 {
        # Set timeouts to prevent slow backends from holding up resources.
        transport http {
            dial_timeout 10s
            response_header_timeout 30s
+           read_timeout 60s
        }
    }

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 51c7f73 and 796fff9.

📒 Files selected for processing (4)

• .env.example (1 hunks)
• .gitignore (1 hunks)
• caddy/Caddyfile.prod (1 hunks)
• docker-compose.yml (1 hunks)

🔇 Additional comments (2)

.gitignore (1)

12-13: LGTM! Gitignore changes are well-structured.

The additions correctly follow the established pattern for allowing specific directories to be tracked while maintaining general log file exclusions.

caddy/Caddyfile.prod (1)

20-27: LGTM! Logging configuration is well-structured.

The JSON format and log rotation settings (10MB size, 5 files retained) are appropriate for production use and will help with log management and monitoring.