diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index dc85eaba2..2b2601082 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,14 +10,16 @@ variables: &global_variables
 cache: &global_cache_policy
   key: ${CI_COMMIT_REF_SLUG}
   paths:
-          - deps
-          - _build
+    - deps
+    - _build
+
 stages:
   - build
   - test
   - benchmark
   - deploy
   - release
+  - docker
 
 before_script:
   - mix local.hex --force
@@ -264,3 +266,50 @@ arm64-musl:
   variables: *release-variables
   before_script: *before-release-musl
   script: *release
+
+docker:
+  stage: docker
+  image: docker:latest
+  cache: {}
+  dependencies: []
+  variables: &docker-variables
+    DOCKER_DRIVER: overlay2
+    DOCKER_HOST: unix:///var/run/docker.sock
+    IMAGE_TAG: $CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA
+    IMAGE_TAG_SLUG: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
+    IMAGE_TAG_LATEST: $CI_REGISTRY_IMAGE:latest
+    IMAGE_TAG_LATEST_STABLE: $CI_REGISTRY_IMAGE:latest-stable
+  before_script: &before-docker
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - export CI_JOB_TIMESTAMP=$(date --utc -Iseconds)
+    - export CI_VCS_REF=$CI_COMMIT_SHORT_SHA
+  allow_failure: true
+  script:
+    - docker pull $IMAGE_TAG_SLUG || true
+    - docker build --cache-from $IMAGE_TAG_SLUG --build-arg VCS_REF=$CI_VCS_REF --build-arg                       BUILD_DATE=$CI_JOB_TIMESTAMP -t $IMAGE_TAG -t $IMAGE_TAG_SLUG -t $IMAGE_TAG_LATEST .
+    - docker push $IMAGE_TAG
+    - docker push $IMAGE_TAG_SLUG
+    - docker push $IMAGE_TAG_LATEST
+  tags:
+    - dind
+  only:
+    - develop
+
+docker-stable:
+  stage: docker
+  image: docker:latest
+  cache: {}
+  dependencies: []
+  variables: *docker-variables
+  before_script: *before-docker
+  allow_failure: true
+  script:
+    - docker pull $IMAGE_TAG_SLUG || true
+    - docker build --cache-from $IMAGE_TAG_SLUG --build-arg VCS_REF=$CI_VCS_REF --build-arg                               BUILD_DATE=$CI_JOB_TIMESTAMP -t $IMAGE_TAG -t $IMAGE_TAG_SLUG -t $IMAGE_TAG_LATEST_STABLE .
+    - docker push $IMAGE_TAG
+    - docker push $IMAGE_TAG_SLUG
+    - docker push $IMAGE_TAG_LATEST_STABLE
+  tags:
+    - dind
+  only:
+    - stable
diff --git a/Dockerfile b/Dockerfile
index c61dcfde9..4f7f12716 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,6 +14,20 @@ RUN apk add git gcc g++ musl-dev make &&\
 
 FROM alpine:3.9
 
+ARG BUILD_DATE
+ARG VCS_REF
+
+LABEL maintainer="ops@pleroma.social" \
+    org.opencontainers.image.title="pleroma" \
+    org.opencontainers.image.description="Pleroma for Docker" \
+    org.opencontainers.image.authors="ops@pleroma.social" \
+    org.opencontainers.image.vendor="pleroma.social" \
+    org.opencontainers.image.documentation="https://git.pleroma.social/pleroma/pleroma" \
+    org.opencontainers.image.licenses="AGPL-3.0" \
+    org.opencontainers.image.url="https://pleroma.social" \
+    org.opencontainers.image.revision=$VCS_REF \
+    org.opencontainers.image.created=$BUILD_DATE
+
 ARG HOME=/opt/pleroma
 ARG DATA=/var/lib/pleroma
 
diff --git a/test/web/twitter_api/util_controller_test.exs b/test/web/twitter_api/util_controller_test.exs
index 8418fd071..5d60c0d51 100644
--- a/test/web/twitter_api/util_controller_test.exs
+++ b/test/web/twitter_api/util_controller_test.exs
@@ -8,9 +8,7 @@ defmodule Pleroma.Web.TwitterAPI.UtilControllerTest do
 
   alias Pleroma.Tests.ObanHelpers
   alias Pleroma.User
-  alias Pleroma.Web.CommonAPI
 
-  import ExUnit.CaptureLog
   import Pleroma.Factory
   import Mock