doc: update configuration reference

docs/Dockerfile

@@ -0,0 +1,12 @@
+FROM ruby:3.3.4
+
+ENV LC_ALL C.UTF-8
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US.UTF-8
+
+WORKDIR /usr/src/app
+
+COPY . ./
+RUN gem install bundler && bundle install
+
+EXPOSE 4000

docs/_config.yml

@@ -19,8 +19,8 @@ description: >- # this means to ignore newlines until "baseurl:"
   PostgreSQL Backup is a Docker container image that can be used to backup and restore Postgres database.
   It supports local storage, AWS S3 or any S3 Alternatives for Object Storage, and SSH compatible storage.
 
-baseurl: "https://jkaninda.github.io/mysql-bkup/" # the subpath of your site, e.g. /blog
-url: "jkaninda.github.io/pg-bkup/" # the base hostname & protocol for your site, e.g. http://example.com
+baseurl: "" # the subpath of your site, e.g. /blog
+url: "" # the base hostname & protocol for your site, e.g. http://example.com
 twitter_username: jonaskaninda
 github_username:  jkaninda