+use PublicInbox::WWW;
+use Plack::Builder;
+my $www = PublicInbox::WWW->new;
+$www->preload;
+
+# share the public-inbox code itself:
+my $src = $ENV{SRC_GIT_DIR}; # '/path/to/public-inbox.git'
+$src = PublicInbox::Git->new($src) if defined $src;
+
+builder {
+ # Enable to ensure redirects and Atom feed URLs are generated
+ # properly when running behind a reverse proxy server which
+ # sets the X-Forwarded-Proto request header.
+ # See Plack::Middleware::ReverseProxy documentation for details
+ eval { enable 'ReverseProxy' };
+ $@ and warn
+"Plack::Middleware::ReverseProxy missing,\n",
+"URL generation for redirects may be wrong if behind a reverse proxy\n";
+
+ # Optional: Log timing information for requests to track performance.
+ # Logging to STDOUT is recommended since public-inbox-httpd knows
+ # how to reopen it via SIGUSR1 after log rotation.
+ # enable 'AccessLog::Timed',
+ # logger => sub { syswrite(STDOUT, $_[0]) },
+ # format => '%t "%r" %>s %b %D';
+
+ enable 'Head';
+ sub {
+ my ($env) = @_;
+ # share public-inbox.git code!
+ if ($src && $env->{PATH_INFO} =~
+ m!\A/(?:public-inbox(?:\.git)?/)?
+ ($PublicInbox::GitHTTPBackend::ANY)\z!xo) {
+ PublicInbox::GitHTTPBackend::serve($env, $src, $1);
+ } else {
+ $www->call($env);
+ }
+ };
+}