New Docker (#1813)

* Draft of new Docker

Based on Alpine Linux. Size ~78MB.
https://github.com/FreshRSS/docker-freshrss/issues/4
https://github.com/FreshRSS/FreshRSS/issues/520
https://github.com/FreshRSS/docker-freshrss
https://github.com/FreshRSS/docker-freshrss-production

* Docker readme

* +x execution rights prepare

* Docker readme links to hub.docker.com

https://hub.docker.com/r/freshrss/freshrss/

2 files changed, 40 insertions, 0 deletions

diff --git a/cli/README.md b/cli/README.md
index a496aab58..d531b8c3d 100644
--- a/cli/README.md
+++ b/cli/README.md
@@ -32,6 +32,9 @@ Options in parenthesis are optional.
 ```sh
 cd /usr/share/FreshRSS
 
+./cli/prepare.php
+# Ensure the needed directories in ./data/
+
 ./cli/do-install.php --default_user admin ( --auth_type form --environment production --base_url https://rss.example.net/ --language en --title FreshRSS --allow_anonymous --api_enabled --db-type mysql --db-host localhost:3306 --db-user freshrss --db-password dbPassword123 --db-base freshrss --db-prefix freshrss )
 # --auth_type can be: 'form' (default), 'http_auth' (using the Web server access control), 'none' (dangerous)
 # --db-type can be: 'sqlite' (default), 'mysql' (MySQL or MariaDB), 'pgsql' (PostgreSQL)
diff --git a/cli/prepare.php b/cli/prepare.php
new file mode 100755
index 000000000..2db2da555
--- /dev/null
+++ b/cli/prepare.php
@@ -0,0 +1,37 @@
+#!/usr/bin/php
+<?php
+require(__DIR__ . '/_cli.php');
+
+$dirs = array(
+	'/',
+	'/cache',
+	'/extensions-data',
+	'/favicons',
+	'/PubSubHubbub',
+	'/PubSubHubbub/feeds',
+	'/PubSubHubbub/keys',
+	'/tokens',
+	'/users',
+	'/users/_',
+);
+
+$ok = true;
+
+foreach ($dirs as $dir) {
+	@mkdir(DATA_PATH . $dir, 0770, true);
+	$ok &= touch(DATA_PATH . $dir . '/index.html');
+}
+
+if (!is_file(DATA_PATH . '/config.php')) {
+	$ok &= touch(DATA_PATH . '/do-install.txt');
+}
+
+file_put_contents(DATA_PATH . '/.htaccess',
+"Order	Allow,Deny\n" .
+"Deny	from all\n" .
+"Satisfy	all\n"
+);
+
+accessRights();
+
+done($ok);