encapsulating test dbs due to different schemas required for different rails versions

Author: jonasjabari

docker-compose.yml

@@ -57,7 +57,7 @@ services:
     environment:
       RAILS_ENV: test
     links:
-      - postgres_test
+      - postgres_test_5_2_ruby_2_6
     command: "bundle exec rspec spec/test"
     user: ${CURRENT_UID}
 
@@ -68,7 +68,7 @@ services:
     environment:
       RAILS_ENV: test
     links:
-      - postgres_test
+      - postgres_test_6_0_ruby_2_6
     command: "bundle exec rspec spec/test"
     user: ${CURRENT_UID}
 
@@ -79,7 +79,7 @@ services:
     environment:
       RAILS_ENV: test
     links:
-      - postgres_test
+      - postgres_test_6_1_ruby_2_7
     command: "bundle exec rspec spec/test"
     user: ${CURRENT_UID}
 
@@ -90,7 +90,7 @@ services:
     environment:
       RAILS_ENV: test
     links:
-      - postgres_test
+      - postgres_test_6_1_ruby_3_0
     command: "bundle exec rspec spec/test"
     user: ${CURRENT_UID}
 
@@ -105,17 +105,32 @@ services:
     volumes:
       - dummy-data-volume:/var/lib/postgresql/data
 
-  postgres_test:
+  postgres_test_base: &postgres_test_base
     image: postgres
     expose:
       - 5432
     environment:
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: postgres
       POSTGRES_DB: test
+
+  postgres_test:
+    <<: *postgres_test_base
     volumes:
       - test-data-volume:/var/lib/postgresql/data
 
+  postgres_test_6_1_ruby_3_0:
+    <<: *postgres_test_base
+
+  postgres_test_6_1_ruby_2_7:
+    <<: *postgres_test_base
+
+  postgres_test_6_0_ruby_2_6:
+    <<: *postgres_test_base
+
+  postgres_test_5_2_ruby_2_6:
+    <<: *postgres_test_base
+
 volumes:
   test-data-volume:
   dummy-data-volume: