Add compose.sh to handle linux/osx/windows differences with podman.

can hopefully be removed once containers/podman#19852
better handled.

README.md

@@ -6,21 +6,29 @@ These instructions will get you a copy of the Quarkus.io website up and running
 
 ### Installation
 
-#### Using Docker
+#### Using Docker or Podman
 
-1. Install [Docker Desktop](https://docs.docker.com/install/).
+1. Install [Docker Desktop](https://docs.docker.com/install/) or [Podman Desktop](https://podman-desktop.io/downloads/).
 2. Fork the [project repository](https://github.com/quarkusio/quarkusio.github.io), then clone your fork.
 
         git clone git@github.com:YOUR_USER_NAME/quarkusio.github.io.git
 
 3. Change into the project directory:
 
         cd quarkusio.github.io
-4. Run Docker Composer
 
-        docker-compose up
+4. Run Docker Compose using `compose.sh` 
+
+        compose.sh
+
+5. *OR* run docker compose manually setting _SELINUX_ to "Z:" or "" dependent on OS:
+
+        _SELINUX_=Z: docker compose up # Linux
+
+         _SELINUX_= docker compose up  # Mac or Windows
 
 5. Now browse to http://localhost:4000
+
 #### Using a local Ruby environment
 [Jekyll static site generator docs](https://jekyllrb.com/docs/).
 

compose.sh

@@ -0,0 +1,3 @@
+export _SELINUX_=$(if [[ "$(uname)" == "Linux" ]]; then echo ":Z"; else echo ""; fi)
+echo '$_SELINUX_'
+docker-compose up $*

docker-compose.yml

@@ -8,6 +8,8 @@ services:
     # Also, enable dev config
     command: [ "bundle", "exec", "jekyll", "serve", "--force_polling", "-H", "0.0.0.0", "-P", "4000", "--incremental", "--config", "_config.yml,_config_dev.yml" ]
     volumes:
-      - .:/site:Z
+      ## this Z handling needed to make things
+      ## work on podman (see https://github.com/containers/podman/issues/19852)
+      - .:/site #${_SELINUX_?_SELINUX_ variable is required and must be set to ':Z' if SELinux context is needed for volumes or run compose.sh to do it for you.}
     ports:
       - '4000:4000'