Update 'INSTALL_PACKAGES' structure to use '|' delimited list.

Renamed installer script to 98.

root/etc/cont-init.d/97-install-packages

@@ -1,17 +0,0 @@
-#!/usr/bin/with-contenv bash
-
-# Exit if no installable packages are provided
-if [ -z ${INSTALL_PACKAGES+x} ]; then
-    echo "**** No packages to install ****"
-    exit 0
-fi
-
-# Ubuntu
-if [ -f /usr/bin/apt ]; then
-    apt-get install -y --no-install-recommends ${INSTALL_PACKAGES}
-fi
-
-# Alpine
-if [ -f /sbin/apk ]; then
-    apk add --no-cache ${INSTALL_PACKAGES}
-fi

root/etc/cont-init.d/98-install-packages

@@ -0,0 +1,26 @@
+#!/usr/bin/with-contenv bash
+
+# Exit if no installable packages are provided
+if [ -z ${INSTALL_PACKAGES+x} ]; then
+    echo "**** No packages to install ****"
+    exit 0
+fi
+
+
+#Split list of packages on delimiter '|'
+IFS='|'
+INSTALL_PACKAGES=(${INSTALL_PACKAGES})
+for PKG in "${INSTALL_PACKAGES[@]}"; do
+    echo "Installing ${PKG}"
+
+    # Ubuntu
+    if [ -f /usr/bin/apt ]; then
+        apt install -y --no-install-recommends ${PKG}
+    fi
+
+    # Alpine
+    if [ -f /sbin/apk ]; then
+        apk add --no-cache ${PKG}
+    fi
+
+done