Fix CI to test against Rails main

Author: aidanharan

Dockerfile.ci

@@ -9,6 +9,6 @@ WORKDIR $WORKDIR
 
 COPY . $WORKDIR
 
-RUN RAILS_COMMIT=65dc2163e3 bundle install --jobs `expr $(cat /proc/cpuinfo | grep -c "cpu cores") - 1` --retry 3
+RUN RAILS_BRANCH=main bundle install --jobs `expr $(cat /proc/cpuinfo | grep -c "cpu cores") - 1` --retry 3
 
 CMD ["sh"]

compose.ci.yaml

@@ -4,7 +4,7 @@ services:
   ci:
     environment:
       - ACTIVERECORD_UNITTEST_HOST=sqlserver
-      - RAILS_COMMIT=65dc2163e3
+      - RAILS_BRANCH=main
     build:
       context: .
       dockerfile: Dockerfile.ci
@@ -13,7 +13,7 @@ services:
       - "sqlserver"
   standardrb:
     environment:
-      - RAILS_COMMIT=65dc2163e3
+      - RAILS_BRANCH=main
     build:
       context: .
       dockerfile: Dockerfile.ci