xtablo-source/backend/deploy/Caddyfile

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# Caddy reverse proxy configuration for Xtablo production.
#
# Caddy automatically:
# - Provisions a TLS certificate via Let's Encrypt (ACME) when a domain name is provided.
# - Redirects HTTP (port 80) to HTTPS (port 443).
# - Renews the certificate before it expires.
#
# Required environment variable:
# DOMAIN — set this to your production domain in .env.prod (e.g. app.yourdomain.com).
# Caddy reads {$DOMAIN} from the environment at startup.
#
# Let's Encrypt staging note (RESEARCH Pitfall 4):
# Let's Encrypt enforces rate limits (5 duplicate certificates per week per domain).
# For initial setup and testing, add a global block to use the staging endpoint:
#
# {
# acme_ca https://acme-staging-v02.api.letsencrypt.org/directory
# }
#
# Remove the global block (or comment it out) before going live to switch to
# production certificates. The caddy_data volume must be cleared between staging
# and production to avoid certificate cache conflicts.
{$DOMAIN} {
reverse_proxy web:8080
}