[CALCITE-6845] Self-host website images

Author: F21

site/README.md

@@ -28,59 +28,21 @@ You can build the site manually using your environment or use the docker compose
 
 The site is automatically built and published following the process outlined in the [Calcite repository](https://github.com/apache/calcite/blob/main/site/README.md).
 
-# Previewing the website locally
-
-## Building website on a host system
-
-### Setup your environment
-
-Similar to the instructions to
-[set up the Calcite web site](https://github.com/apache/calcite-avatica/blob/main/site/README.md).
-
-Site generation currently works best with ruby-2.7.4.
-
-1. `cd site`
-2. `git clone https://gitbox.apache.org/repos/asf/calcite-site.git target`.
-The site will be generated to target/avatica, so it will be ready for commit.
-3. `sudo apt-get install rubygems ruby2.7-dev zlib1g-dev` (linux)
-4. `sudo gem install bundler`
-5. Add avatica-go content: `./add-avatica-go-docs.sh`
-6. `bundle install`
-
-### Build javadoc
-
-1. `cd $avatica_project_directory`
-2. `./gradlew javadocAggregate # the result is placed to build/docs/javadocAggregate`
-
-### Running website locally
-
-Before opening a pull request, you can preview your contributions by
-running from within the directory:
-
-1. `bundle exec jekyll serve`
-2. Open [http://localhost:4000/avatica/](http://localhost:4000/avatica/) (note the trailing slash)
-
-### Building the website
-
-1. `bundle exec jekyll build`
-2. The result is produced to `target/avatica`
-
-## Building website with Docker
-
-### Setup your environment
+# Previewing the website locally using docker
+## Setup your environment
 
 1. Install [docker](https://docs.docker.com/install/)
-2. Install [docker compose v2](https://docs.docker.com/compose/cli-command/#installing-compose-v2)
+2. Install [docker compose](https://docs.docker.com/compose/install/)
 
-### Build site
+## Build site
 1. `cd site`
 2. `docker compose run build-site`
 
-### Generate javadoc
+## Generate javadoc
 1. `cd site`
 2. `docker compose run generate-javadoc`
 
-### Running development mode locally
+## Running development mode locally
 You can preview your work while working on the site.
 
 1. `cd site`
@@ -89,3 +51,7 @@ You can preview your work while working on the site.
 The web server will be started on [http://localhost:4000/avatica/](http://localhost:4000/avatica/) (note the trailing slash)
 
 As you make changes to the site, the site will automatically rebuild.
+
+## Publishing the website
+The website is automatically published using GitHub Actions, so you do not need to do anything but just merge your
+changes to the `main` branch.

site/_docs/index.md

@@ -25,7 +25,7 @@ limitations under the License.
 Avatica is a framework for building JDBC and ODBC drivers for databases,
 and an RPC wire protocol.
 
-![Avatica Architecture](https://raw.githubusercontent.com/julianhyde/share/main/slides/avatica-architecture.png)
+![Avatica Architecture]({{site.baseurl}}/img/avatica-architecture.png)
 
 Avatica's Java binding has very few dependencies.
 Even though it is part of Apache Calcite it does not depend on other parts of

site/_includes/news_item.html

@@ -41,7 +41,7 @@ <h2>
         {% if c.avatar %}
           {% assign avatar = c.avatar %}
         {% else %}
-          {% capture avatar %}http://github.com/{{ c.githubId }}.png{% endcapture %}
+          {% capture avatar %}https://calcite.apache.org/img/avatars/{{ c.githubId }}.png{% endcapture %}
         {% endif %}
       {% endif %}
     {% endfor %}

site/_layouts/news_item.html

@@ -28,7 +28,7 @@ <h2>
         {% if c.avatar %}
           {% assign avatar = c.avatar %}
         {% else %}
-          {% capture avatar %}http://github.com/{{ c.githubId }}.png{% endcapture %}
+          {% capture avatar %}https://calcite.apache.org/img/avatars/{{ c.githubId }}.png{% endcapture %}
         {% endif %}
       {% endif %}
     {% endfor %}