Update CircleCI build instructions

.circleci/config.yml

@@ -1,4 +1,3 @@
-# This configuration was automatically generated from a CircleCI 1.0 config.
 version: 2
 jobs:
   build:
@@ -11,43 +10,14 @@ jobs:
       CIRCLE_TEST_REPORTS: /tmp/circleci-test-results
 
     docker:
-    - image: circleci/build-image:ubuntu-14.04-XXL-upstart-1189-5614f37
-      command: /sbin/init
+    - image: circleci/buildpack-deps
 
     steps:
     - checkout
-    # Prepare for artifact and test results  collection equivalent to how it was done on 1.0.
-    # In many cases you can simplify this from what is generated here.
-    # 'See docs on artifact collection here https://circleci.com/docs/2.0/artifacts/'
-    - run: mkdir -p $CIRCLE_ARTIFACTS $CIRCLE_TEST_REPORTS
-
-#    - restore_cache:
-#        keys:
-#        # This branch if available
-#        - v1-dep-{{ .Branch }}-
-#        # Default branch if not
-#        - v1-dep-master-
-#        # Any branch if there are none on the default branch - this should be unnecessary if you have your default branch configured correctly
-#        - v1-dep-
-
-    - run: sudo apt-get update; sudo apt-get install lua5.2
+    - run: mkdir -pv $CIRCLE_ARTIFACTS $CIRCLE_TEST_REPORTS
+    - run: sudo apt-get update; sudo apt-get install lua5.2 make zip
     - run: rm Makefile
     - run: wget https://github.com/narc0tiq/factorio-mod-makefile/raw/master/Makefile
-
-#    - save_cache:
-#        key: v1-dep-{{ .Branch }}-{{ epoch }}
-#        paths:
-#        # This is a broad list of cache paths to include many possible development environments
-#        # You can probably delete some of these entries
-#        - vendor/bundle
-#        - ~/virtualenvs
-#        - ~/.m2
-#        - ~/.ivy2
-#        - ~/.bundle
-#        - ~/.go_workspace
-#        - ~/.gradle
-#        - ~/.cache/bower
-
     - run: make package clean
 
     - store_artifacts: