mygit/docker/dev-gateway/Caddyfile

{
    admin off
}

:80 {
    # Compact log format for development
    log {
        output stdout
        format transform "{common_log}"
    }

    # Ember live reload (runs on separate port 4201)
    # This handles both the script injection and WebSocket connections
    handle /ember-cli-live-reload.js {
        reverse_proxy {env.ADMIN_LIVE_RELOAD_SERVER} {
            header_up Host {http.reverse_proxy.upstream.hostport}
            header_up X-Forwarded-Host {host}
            # Enable WebSocket support for live reload
            header_up Connection {>Connection}
            header_up Upgrade {>Upgrade}
        }
    }

    # Ghost API - must go to Ghost backend, not admin dev server
    handle /ghost/api/* {
        reverse_proxy {env.GHOST_BACKEND} {
            header_up Host {host}
            header_up X-Real-IP {remote_host}
            header_up X-Forwarded-For {remote_host}

            # Always tell Ghost requests are HTTPS to prevent redirects
            header_up X-Forwarded-Proto https
        }
    }

    # Analytics API - proxy analytics requests to analytics service
    # Handles paths like /.ghost/analytics/* or /blog/.ghost/analytics/*
    @analytics_paths path_regexp analytics_match ^(.*)/\.ghost/analytics(.*)$
    handle @analytics_paths {
        rewrite * {re.analytics_match.2}
        reverse_proxy {env.ANALYTICS_PROXY_TARGET} {
            header_up Host {host}
            header_up X-Forwarded-Host {host}
            header_up X-Real-IP {remote_host}
            header_up X-Forwarded-For {remote_host}
        }
    }

    # ActivityPub API - proxy activityPub requests to activityPub service (running in separate project)
    # Requires activitypub containers to be running via the ActivityPub project's docker-compose
    handle /.ghost/activitypub/* {
        reverse_proxy {env.ACTIVITYPUB_PROXY_TARGET} {
            header_up Host {host}
            header_up X-Real-IP {remote_host}
            header_up X-Forwarded-For {remote_host}
            header_up X-Forwarded-Proto https
        }
    }

    # WebFinger - required for ActivityPub federation
    handle /.well-known/webfinger {
        reverse_proxy {env.ACTIVITYPUB_PROXY_TARGET} {
            header_up Host {host}
            header_up X-Real-IP {remote_host}
            header_up X-Forwarded-For {remote_host}
            header_up X-Forwarded-Proto https
        }
    }

    # NodeInfo - required for ActivityPub federation
    handle /.well-known/nodeinfo {
        reverse_proxy {env.ACTIVITYPUB_PROXY_TARGET} {
            header_up Host {host}
            header_up X-Real-IP {remote_host}
            header_up X-Forwarded-For {remote_host}
            header_up X-Forwarded-Proto https
        }
    }

    # Public app dev server assets - must come BEFORE general /ghost/* handler
    # Ghost is configured to load these from /ghost/assets/* via compose.dev.yaml
    handle /ghost/assets/* {
        # Strip /ghost/assets/ prefix
        uri strip_prefix /ghost/assets

        # Koenig Lexical Editor (optional - for developing Lexical in separate Koenig repo)
        # Requires EDITOR_URL=/ghost/assets/koenig-lexical/ when starting admin dev server
        # Falls back to Ghost backend (built package) via handle_errors if dev server isn't running
        @lexical path /koenig-lexical/*
        handle @lexical {
            uri strip_prefix /koenig-lexical
            reverse_proxy {env.LEXICAL_DEV_SERVER} {
                header_up Host {http.reverse_proxy.upstream.hostport}
                header_up X-Forwarded-Host {host}
                # Fail quickly if dev server is down
                fail_duration 1s
                unhealthy_request_count 1
            }
        }

        # Portal
        @portal path /portal/*
        handle @portal {
            uri strip_prefix /portal
            reverse_proxy {env.PORTAL_DEV_SERVER} {
                header_up Host {http.reverse_proxy.upstream.hostport}
                header_up X-Forwarded-Host {host}
            }
        }

        # Comments UI
        @comments path /comments-ui/*
        handle @comments {
            uri strip_prefix /comments-ui
            reverse_proxy {env.COMMENTS_DEV_SERVER} {
                header_up Host {http.reverse_proxy.upstream.hostport}
                header_up X-Forwarded-Host {host}
            }
        }

        # Signup Form
        @signup path /signup-form/*
        handle @signup {
            uri strip_prefix /signup-form
            reverse_proxy {env.SIGNUP_DEV_SERVER} {
                header_up Host {http.reverse_proxy.upstream.hostport}
                header_up X-Forwarded-Host {host}
            }
        }

        # Sodo Search
        @search path /sodo-search/*
        handle @search {
            uri strip_prefix /sodo-search
            reverse_proxy {env.SEARCH_DEV_SERVER} {
                header_up Host {http.reverse_proxy.upstream.hostport}
                header_up X-Forwarded-Host {host}
            }
        }

        # Announcement Bar
        @announcement path /announcement-bar/*
        handle @announcement {
            uri strip_prefix /announcement-bar
            reverse_proxy {env.ANNOUNCEMENT_DEV_SERVER} {
                header_up Host {http.reverse_proxy.upstream.hostport}
                header_up X-Forwarded-Host {host}
            }
        }

        # Everything else under /ghost/assets/* goes to admin dev server
        handle {
            # Re-add the prefix we stripped for admin dev server
            rewrite * /ghost/assets{path}
            reverse_proxy {env.ADMIN_DEV_SERVER} {
                header_up Host {http.reverse_proxy.upstream.hostport}
                header_up X-Forwarded-Host {host}
            }
        }
    }

    # Auth frame - must go to Ghost backend for comment admin authentication
    handle /ghost/auth-frame/* {
        reverse_proxy {env.GHOST_BACKEND} {
            header_up Host {host}
            header_up X-Real-IP {remote_host}
            header_up X-Forwarded-For {remote_host}
            header_up X-Forwarded-Proto https
        }
    }

    # JWKS endpoint - must go to Ghost backend for JWT verification
    handle /ghost/.well-known/* {
        reverse_proxy {env.GHOST_BACKEND} {
            header_up Host {host}
            header_up X-Real-IP {remote_host}
            header_up X-Forwarded-For {remote_host}
            header_up X-Forwarded-Proto https
        }
    }

    # Admin interface - served from admin dev server
    # This includes /ghost/, etc. (but /ghost/assets/* is handled above)
    # Also handles WebSocket upgrade requests for HMR
    handle /ghost* {
        reverse_proxy {env.ADMIN_DEV_SERVER} {
            header_up X-Forwarded-Host {host}
        }
    }

    # Everything else goes to Ghost backend
    handle {
        reverse_proxy {env.GHOST_BACKEND} {
            header_up Host {host}
            header_up X-Real-IP {remote_host}
            header_up X-Forwarded-For {remote_host}

            # Always tell Ghost requests are HTTPS to prevent redirects
            header_up X-Forwarded-Proto https
        }
    }

    # Handle errors
    handle_errors {
        # Fallback for Lexical when dev server is unavailable (502/503/504)
        # Forwards to Ghost backend which serves the built koenig-lexical package
        @lexical_fallback `{http.request.orig_uri.path}.startsWith("/ghost/assets/koenig-lexical/")`
        handle @lexical_fallback {
            rewrite * {http.request.orig_uri.path}
            reverse_proxy {env.GHOST_BACKEND} {
                header_up Host {host}
                header_up X-Forwarded-Proto https
            }
        }

        # Default error response
        respond "{err.status_code} {err.status_text}"
    }
}