diff --git a/.travis.yml b/.travis.yml
index 9044fc1d..c108e9f5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -46,6 +46,8 @@ env:
     - secure: HZPkW81a+OsfFrCCpcuYYBKNIEmejsQlIreVo2AJ1NipBVK8DniqIK+bXGUIQraaqeKXApXknfPepVpyqG3uyzHvkboylooWa7fuoJB4bs9Eb91Qo2AeWjP2fts0EmUX8R76K51n7EwUgk9xemM/bE2e+0FmG5e35JpXEwfm/5I=
     # FLOWER_BASIC_AUTH
     - secure: Q+McmaCCuUjt4VoXajGzukxJEVZitEnmj8nsWVgD2SchawjFzVO/W/dzMZHjMoU308rZWe0YMIcLO7gKBxmRhaJ8+txHZR3TwodMiOP5XvjsdDjOqlkvqutTtHgw934s8DSLEceU4WvlXlzMf8O1KEr9yAPrg3GUUhjNmEUxTZk=
+    - DATABASE_ENGINE_STAGING postgres
+    - DATABASE_ENGINE_PRODUCTION mongodb
 
 
 before_script:
@@ -62,13 +64,13 @@ before_deploy:
 
 deploy:
   - provider: script
-    script: APP_SIGNON_API_USER_TOKEN=$APP_SIGNON_API_USER_TOKEN_STAGING APP_SECRET_KEY=$APP_SECRET_KEY_STAGING REDIS_DATABASE_NUMBER=$REDIS_DATABASE_NUMBER_STAGING APP_STAGECRAFT_OAUTH_TOKEN=$APP_STAGECRAFT_OAUTH_TOKEN_STAGING etc/deploy.sh staging
+    script: APP_SIGNON_API_USER_TOKEN=$APP_SIGNON_API_USER_TOKEN_STAGING APP_SECRET_KEY=$APP_SECRET_KEY_STAGING REDIS_DATABASE_NUMBER=$REDIS_DATABASE_NUMBER_STAGING APP_STAGECRAFT_OAUTH_TOKEN=$APP_STAGECRAFT_OAUTH_TOKEN_STAGING DATABASE_ENGINE=$DATABASE_ENGINE_STAGING etc/deploy.sh staging
     skip_cleanup: true
     on:
       branch: staging
 
   - provider: script
-    script: APP_SIGNON_API_USER_TOKEN=$APP_SIGNON_API_USER_TOKEN_PRODUCTION APP_SECRET_KEY=$APP_SECRET_KEY_PRODUCTION REDIS_DATABASE_NUMBER=$REDIS_DATABASE_NUMBER_PRODUCTION APP_STAGECRAFT_OAUTH_TOKEN=$APP_STAGECRAFT_OAUTH_TOKEN_PRODUCTION etc/deploy.sh production
+    script: APP_SIGNON_API_USER_TOKEN=$APP_SIGNON_API_USER_TOKEN_PRODUCTION APP_SECRET_KEY=$APP_SECRET_KEY_PRODUCTION REDIS_DATABASE_NUMBER=$REDIS_DATABASE_NUMBER_PRODUCTION APP_STAGECRAFT_OAUTH_TOKEN=$APP_STAGECRAFT_OAUTH_TOKEN_PRODUCTION DATABASE_ENGINE=$DATABASE_ENGINE_PRODUCTION etc/deploy.sh production
     skip_cleanup: true
     on:
       branch: production
diff --git a/etc/deploy.sh b/etc/deploy.sh
index 94ce9d5c..339d0041 100644
--- a/etc/deploy.sh
+++ b/etc/deploy.sh
@@ -30,7 +30,7 @@ cycle_app performance-platform-backdrop-read
 cf set-env performance-platform-backdrop-read ENVIRONMENT $PAAS_SPACE
 cf set-env performance-platform-backdrop-read STAGECRAFT_URL https://performance-platform-stagecraft-$PAAS_SPACE.cloudapps.digital
 cf set-env performance-platform-backdrop-read SIGNON_API_USER_TOKEN $APP_SIGNON_API_USER_TOKEN
-cf set-env performance-platform-backdrop-read DATABASE_ENGINE mongodb
+cf set-env performance-platform-backdrop-read DATABASE_ENGINE $DATABASE_ENGINE
 cf push performance-platform-backdrop-read
 
 cycle_app performance-platform-backdrop-write
@@ -39,7 +39,7 @@ cf set-env performance-platform-backdrop-write STAGECRAFT_URL https://performanc
 cf set-env performance-platform-backdrop-write SIGNON_API_USER_TOKEN $APP_SIGNON_API_USER_TOKEN
 cf set-env performance-platform-backdrop-write SECRET_KEY $APP_SECRET_KEY
 cf set-env performance-platform-backdrop-write REDIS_DATABASE_NUMBER $REDIS_DATABASE_NUMBER
-cf set-env performance-platform-backdrop-write DATABASE_ENGINE mongodb
+cf set-env performance-platform-backdrop-write DATABASE_ENGINE $DATABASE_ENGINE
 cf push performance-platform-backdrop-write
 
 cycle_app performance-platform-backdrop-celery-worker