Load version from file

VERSION

@@ -0,0 +1 @@
+0.2.2

mk-container.sh

@@ -1,8 +1,8 @@
 #!/bin/bash
 
-version="0.2.2"
 script_dir=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 tmp_dir="$(mktemp -d --suffix=-web)"
+version="$(head -n 1 "$script_dir/VERSION")"
 cleanup () { rm -Rfv "$tmp_dir"; }
 trap cleanup EXIT