always update staging db

.travis.yml

@@ -4,6 +4,12 @@ install: scripts/ci/install.sh
 script: scripts/ci/test.sh
 deploy:
   provider: script
-  script: scripts/ci/deploy.sh --branch $TRAVIS_BRANCH --commit_hash $TRAVIS_COMMIT --now_token $NOW_TOKEN --release_hook $SENTRY_WEBHOOK
+  script: scripts/ci/deploy.sh --branch $TRAVIS_BRANCH --commit_hash $TRAVIS_COMMIT --now_token $NOW_TOKEN --release_hook $SENTRY_WEBHOOK --heroku_token $HEROKU_TOKEN
   on:
     all_branches: true
+addons:
+  apt:
+    sources:
+      - heroku
+    packages:
+      - heroku-toolbelt

scripts/ci/deploy.sh

@@ -95,12 +95,15 @@ if [[ $branch_name == "master" ]]; then
 
     now -t $now_token -A ./now.json alias
 
-    rm ./now.json
-
     curl $release_hook \
         -X POST \
         -H 'Content-Type: application/json' \
         -d '{"version": "'"$commit_hash"'"}'
+
+    rm ./now.json
+
+    # remove deployments that are more than 2 behind
+    now -t $now_token ls --all ellie-production | grep DOCKER | awk '{ print $2 }' | tail -n +3 | xargs now rm --yes
 else 
     app_name=ellie-test-$branch_name
     echo '{ "name": "'"$app_name"'", "alias": "'"$app_name"'.now.sh" }' > ./now.json