docs: General 2.6 updates

Author: mholt

src/docs/markdown/caddyfile/directives.md

@@ -115,6 +115,7 @@ vars
 root
 
 header
+copy_response_headers # only in reverse_proxy's handle_response block
 request_body
 
 redir
@@ -141,6 +142,7 @@ route
 # handlers that typically respond to requests
 abort
 error
+copy_response # only in reverse_proxy's handle_response block
 respond
 metrics
 reverse_proxy

src/docs/markdown/caddyfile/matchers.md

@@ -533,12 +533,12 @@ path_regexp static \.([a-f0-9]{6})\.(css|js)$
 ### protocol
 
 ```caddy-d
-protocol http|https|grpc
+protocol http|https|grpc|http/<version>[+]
 
 expression protocol('http|https|grpc')
 ```
 
-By request protocol.
+By request protocol. A broad protocol name such as `http`, `https`, or `grpc` can be used; or specific or minimum HTTP versions such as `http/1.1` or `http/2+`.
 
 There can only be one `protocol` matcher per named matcher.
 

src/docs/markdown/command-line.md

@@ -180,7 +180,8 @@ Prints the environment as seen by caddy, then exits. Can be useful when debuggin
 	[--domain <example.com>]
 	[--browse]
 	[--templates]
-	[--access-log]</code></pre>
+	[--access-log]
+	[--debug]</code></pre>
 
 Spins up a simple but production-ready static file server.
 
@@ -196,6 +197,8 @@ Spins up a simple but production-ready static file server.
 
 `--access-log` enables the request/access log.
 
+`--debug` enables verbose logging.
+
 This command disables the admin API, making it easier to run multiple instances on a local development machine.
 
 
@@ -373,7 +376,8 @@ Pipe in a maintenance page:
 	[--from &lt;addr&gt;]
 	--to &lt;addr&gt;
 	[--change-host-header]
-	[--internal-certs]</code></pre>
+	[--internal-certs]
+	[--debug]</code></pre>
 
 Spins up a simple but production-ready HTTP(S) reverse proxy.
 
@@ -385,6 +389,8 @@ Spins up a simple but production-ready HTTP(S) reverse proxy.
 
 `--internal-certs` will cause Caddy to issue certificates using its internal issuer (effectively self-signed) for the domain specified in the `--from` address.
 
+`--debug` enables verbose logging.
+
 Both `--from` and `--to` parameters can be URLs, as scheme and domain name will be inferred from the provided URL (paths and query strings ignored). Or they can be a simple network address and not a complete URL.
 
 This command disables the admin API so it is easier to run multiple instances on a local development machine.

src/docs/markdown/extending-caddy.md

@@ -184,7 +184,7 @@ To emit logs, get a logger in your module's Provision method:
 
 ```go
 func (g *Gizmo) Provision(ctx caddy.Context) error {
-	g.logger = ctx.Logger(g) // g.logger is a *zap.Logger
+	g.logger = ctx.Logger() // g.logger is a *zap.Logger
 }
 ```