Updated BuildServices (asciidoc)

BuildServices.asciidoc

@@ -23,6 +23,45 @@ nim c -r <mytest.nim>
 
 Be aware that the available .deb packages will change over time.
 
+## Building Nim projects on Circle CI v2.0 (Currently in Beta)
+
+Circle CI are currently testing version 2 of their platform, where you can use Docker containers to perform builds. The following example is taken from the following guide and builds against the current Nim version on both Ubuntu and Alpine Linux: +https://www.euantorano.co.uk/posts/nim-circle-ci/[Continuous Integration for Nim using Circle CI]
+
+[source,yaml]
+----
+version: 2
+jobs:
+  build:
+    working_directory: /usr/src/dotenv
+    docker:
+      - image: nimlang/nim
+    branches:
+      only:
+        - master
+    steps:
+      - checkout
+      - run:
+          name: test
+          command: nim c -r tests/main.nim
+  build_alpine:
+    working_directory: /usr/src/dotenv
+    docker:
+      - image: nimlang/nim:alpine
+    branches:
+      only:
+        - master
+    steps:
+      - checkout
+      - run:
+          name: test
+          command: nim c -r tests/main.nim
+workflows:
+  version: 2
+  build_and_test:
+    jobs:
+      - build
+      - build_alpine
+----
 
 ## Building Nim projects on Travis CI
 
@@ -135,4 +174,3 @@ deploy: off
 ----
 
 
-