Replace smoke test with a basic test against __frontend_lbheartbeat__

We only really need care to check if the docker image express server
works, so we use an endpoint that doesn't require the API (or even
the built statics) with a simpler setup.

Because it's lighter it can be included in the default job that is
ran even on PRs.

.circleci/config.yml

@@ -188,6 +188,10 @@ jobs:
       - run: yarn lint
       - run: yarn prettier-ci
       - run: pip install 'fonttools<4.44.1' brotli && yarn check-fonts
+      - run: |
+        docker run --rm -p 4000:4000 -d -e NODE_ENV=production -e NODE_CONFIG_ENV=prod mozilla/addons-frontend
+        curl --retry-all-errors --retry 10 --retry-delay 2 http://127.0.0.1:4000/__frontend_lbheartbeat__
+        docker stop mozilla/addons-frontend
 
   build-next:
     <<: *defaults-next
@@ -211,9 +215,15 @@ jobs:
     <<: *defaults-release
     steps:
       - better_checkout
-      - run: pip install tox
-      - run: TOXENV=dennis-lint tox
-
+      - run:
+          name: Install Dennis
+          command: pip install dennis==1.1.0
+      - run:
+          name: Lint locales
+          command: |
+            bash -c 'dennis-cmd lint locale/*/LC_MESSAGES/*.po --rules W202'
+            bash -c 'dennis-cmd lint --errorsonly locale/*/LC_MESSAGES/*.po'
+            bash -c 'dennis-cmd lint --errorsonly locale/templates/LC_MESSAGES/*.pot'
 
   release-blog-utils:
     <<: *defaults
@@ -235,9 +245,6 @@ jobs:
       - run:
           name: Install dependencies
           command: sudo apt-get update; sudo apt-get install pigz
-      - run:
-          name: "Install Tox"
-          command: pip install tox
       - run: docker info
         # Build the container, using Circle's Docker cache. Only use 1 image per
         # day to keep the cache size down.
@@ -279,17 +286,6 @@ jobs:
             docker tag addons-frontend $DOCKERHUB_REPO:$CIRCLE_TAG
             docker images
             docker push $DOCKERHUB_REPO:$CIRCLE_TAG
-      - run:
-          name: Set hosts
-          command: |
-            echo 127.0.0.1 olympia.test | sudo tee -a /etc/hosts
-            cat /etc/hosts
-      - run:
-          name: Test Image
-          command: |
-            sudo sysctl -w vm.max_map_count=262144
-            ./tests/smoke/setup_docker.sh
-            tox -e smoke-tests
 
   release-master: # build for the master branch
     <<: *defaults-release
@@ -298,9 +294,6 @@ jobs:
       - run:
           name: Install dependencies
           command: sudo apt-get update; sudo apt-get install pigz
-      - run:
-          name: "Install Tox"
-          command: pip install tox
       - run: docker info
         # Build the container, using Circle's Docker cache. Only use 1 image per
         # day to keep the cache size down.
@@ -340,17 +333,6 @@ jobs:
             [ ! -z $DOCKERHUB_REPO ]
             docker tag addons-frontend $DOCKERHUB_REPO:latest
             docker push $DOCKERHUB_REPO:latest
-      - run:
-          name: Set hosts
-          command: |
-            echo 127.0.0.1 olympia.test | sudo tee -a /etc/hosts
-            cat /etc/hosts
-      - run:
-          name: Test Image
-          command: |
-            sudo sysctl -w vm.max_map_count=262144
-            ./tests/smoke/setup_docker.sh
-            tox -e smoke-tests
 
 workflows:
   version: 2