Replaced build script with Makefile

.dockerignore

@@ -1,4 +1,4 @@
 .git
-build.sh
 LICENSE
+Makefile
 README.md

Makefile

@@ -0,0 +1,8 @@
+IMAGE_NAME="phlak/mumble"
+IMAGE_TAG="$$(grep 'ARG MUMBLE_VERSION' Dockerfile | awk -F = '{print $$2}')"
+
+build:
+	@docker build --force-rm --pull --tag $(IMAGE_NAME):$(IMAGE_TAG) .
+
+purge:
+	@docker image rm --force $(IMAGE_NAME):$(IMAGE_TAG)

build.sh

@@ -1,69 +0,0 @@
-#!/usr/bin/env bash
-set -o errexit
-
-## PRE-RUN SETUP & CONFIGURATION
-########################################
-
-SCRIPT_DIR="$(dirname $(readlink -f ${0}))"
-
-IMAGE_NAME="phlak/mumble"
-TAG="$(grep 'ARG MUMBLE_VERSION' Dockerfile | awk -F = '{print $2}')"
-
-## SCRIPT USAGE
-########################################
-
-function usageShort() {
-    echo "Usage: $(basename ${0}) [OPTIONS]"
-}
-
-function usageLong() {
-
-    usageShort
-
-	cat <<-EOF
-
-	    OPTIONS:
-
-	        -h, --help     Print this help dialogue
-	        -p, --purge    Purge the image after build
-
-	EOF
-
-}
-
-## OPTION / PARAMATER PARSING
-########################################
-
-PARSED_OPTIONS=$(getopt -n "${0}" -o hp -l "help,purge" -- "$@")
-
-eval set -- "${PARSED_OPTIONS}"
-
-while true; do
-    case "${1}" in
-        -h|--help)  usageLong; exit ;;
-        -p|--purge) PURGE=true; shift ;;
-        --)         shift; break ;;
-    esac
-done
-
-## SCRIPT FUNCTIONS
-########################################
-
-function buildImage() {
-    docker build --force-rm --pull --tag ${IMAGE_NAME}:${TAG} ${SCRIPT_DIR}
-}
-
-function purgeImage() {
-    docker rmi --force ${IMAGE_NAME}:${TAG}
-    echo "Purged image: ${IMAGE_NAME}:${TAG}"
-}
-
-function main() {
-    buildImage; [[ "${PURGE}" == true ]] && purgeImage
-    echo "Successfully built ${IMAGE_NAME}:${TAG}"
-}
-
-# MAKE IT SO
-########################################
-
-main