try switching to official erlang docker image (#119)

* switching to official erlang docker image

* upgrade counters app for otp-21.2 compatibility

Author: tsloughter

.circleci/config.yml

@@ -1,9 +1,9 @@
 defaults: &defaults
-  shell: /bin/bash
+  shell: /bin/sh
   working_directory: /home/circleci/census
   docker:
-    - image: tsloughter/erlang-alpine:20.0.1
-      cmd: ["/bin/bash"]
+    - image: erlang:21.2-alpine
+      cmd: ["/bin/sh"]
 
 version: 2
 jobs:
@@ -41,12 +41,9 @@ jobs:
     steps:
       - checkout
 
-      - attach_workspace:
-          at: /home/circleci/census
-
       - restore_cache:
           keys:
-            - erlang-plt-20.0.1
+            - erlang-plt-21.2
 
       - restore_cache:
           keys:
@@ -57,17 +54,14 @@ jobs:
           command: rebar3 dialyzer
 
       - save-cache:
-          key: erlang-plt-20.0.1
+          key: erlang-plt-21.2
           paths:
-            - /root/.cache/rebar3/rebar3_20.0.1_plt
+            - /root/.cache/rebar3/rebar3_21.2_plt
   xref:
     <<: *defaults
     steps:
       - checkout
 
-      - attach_workspace:
-          at: /home/circleci/census
-
       - restore_cache:
           keys:
             - census-{{ checksum "rebar.lock" }}
@@ -81,9 +75,6 @@ jobs:
     steps:
       - checkout
 
-      - attach_workspace:
-          at: /home/circleci/census
-
       - restore_cache:
           keys:
             - census-{{ checksum "rebar.lock" }}
@@ -97,9 +88,6 @@ jobs:
     steps:
       - checkout
 
-      - attach_workspace:
-          at: /home/circleci/census
-
       - restore_cache:
           keys:
             - census-{{ checksum "rebar.lock" }}

rebar.config

@@ -6,7 +6,7 @@
 {deps, [{wts, "~> 0.3"},
         {ctx, "~> 0.5"},
         {jsx, "~> 2.9"},
-        {counters, "~> 0.2"}]}.
+        {counters, "~> 0.2.1"}]}.
 
 {project_plugins, [covertool,
                    rebar3_gpb_plugin,

rebar.lock

@@ -1,12 +1,12 @@
 {"1.1.0",
-[{<<"counters">>,{pkg,<<"counters">>,<<"0.2.0">>},0},
+[{<<"counters">>,{pkg,<<"counters">>,<<"0.2.1">>},0},
  {<<"ctx">>,{pkg,<<"ctx">>,<<"0.5.0">>},0},
  {<<"jsx">>,{pkg,<<"jsx">>,<<"2.9.0">>},0},
  {<<"rfc3339">>,{pkg,<<"rfc3339">>,<<"0.9.0">>},1},
  {<<"wts">>,{pkg,<<"wts">>,<<"0.3.0">>},0}]}.
 [
 {pkg_hash,[
- {<<"counters">>, <<"EF00F33404FDD9BD233F9B7966233222469E4560DBE1C712EA2E1AB63BB8FEFD">>},
+ {<<"counters">>, <<"AA3D97E88F92573488987193D0F48EFCE0F3B2CD1443BF4EE760BC7F99322F0C">>},
  {<<"ctx">>, <<"78E0F16712E12D707A7F34277381B8E193D7C71EAA24D37330DC02477C09EDA5">>},
  {<<"jsx">>, <<"D2F6E5F069C00266CAD52FB15D87C428579EA4D7D73A33669E12679E203329DD">>},
  {<<"rfc3339">>, <<"2075653DC9407541C84B1E15F8BDA2ABE95FB17C9694025E079583F2D19C1060">>},