Add circleci

.circleci/config.yml

@@ -0,0 +1,25 @@
+version: 2.1
+
+# Anchors to prevent forgetting to update a version
+baselibs_version: &baselibs_version v7.7.0
+bcs_version: &bcs_version v10.23.0
+
+orbs:
+  ci: geos-esm/circleci-tools@1
+
+workflows:
+  build-test:
+    jobs:
+      # Build GEOSgcm
+      - ci/build:
+          name: build-GEOSgcm-on-<< matrix.compiler >>
+          context:
+            - docker-hub-creds
+          matrix:
+            parameters:
+              compiler: [gfortran, ifort]
+          baselibs_version: *baselibs_version
+          repo: GEOSgcm
+          checkout_fixture: true
+          mepodevelop: true
+          persist_workspace: false # Needs to be true to run fv3/gcm experiment, costs extra