diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4af6921874cbbb7fe50cfa30a8775fd2bf2a1241..bc4016f66fd32b243fc8494a4da2d6150c01e9e0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,214 +1,28 @@
+stages:
+  - build
+
 variables:
-  CONTAINER_IMAGE_2019: "asia.gcr.io/linuxconfsydney/symposion_app_2019"
-  CONTAINER_IMAGE_2020: "asia.gcr.io/linuxconfsydney/symposion_app_2020"
-  DOCKER_DRIVER: overlay2
+  DOCKER_TLS_CERTDIR: "/certs"
+  CONTAINER_PREFIX: 2020
+  CONTAINER_IMAGE: $CI_REGISTRY_IMAGE/$CONTAINER_PREFIX:$CI_COMMIT_SHA
 
-build_image:
+build-image:
   image: docker:git
   stage: build
   services:
   - docker:dind
   script:
-    - docker build -f docker/Dockerfile -t asia.gcr.io/linuxconfsydney/symposion_app:$CI_COMMIT_SHA .
-    - docker build --build-arg CI_COMMIT_SHA=$CI_COMMIT_SHA -f docker/Dockerfile.dev -t asia.gcr.io/linuxconfsydney/symposion_app_dev:$CI_COMMIT_SHA .
-    - docker login -u _json_key -p "$GOOGLE_KEY" https://asia.gcr.io
-    - docker push asia.gcr.io/linuxconfsydney/symposion_app:$CI_COMMIT_SHA
-    - docker push asia.gcr.io/linuxconfsydney/symposion_app_dev:$CI_COMMIT_SHA
-    - docker tag asia.gcr.io/linuxconfsydney/symposion_app:$CI_COMMIT_SHA asia.gcr.io/linuxconfsydney/symposion_app:latest
-    - docker tag asia.gcr.io/linuxconfsydney/symposion_app_dev:$CI_COMMIT_SHA asia.gcr.io/linuxconfsydney/symposion_app_dev:latest
-    - docker push asia.gcr.io/linuxconfsydney/symposion_app:latest
-    - docker push asia.gcr.io/linuxconfsydney/symposion_app_dev:latest
-  only:
-    - master
-
-k8s-prod-deploy:
-  image: google/cloud-sdk
-  stage: deploy
-  script:
-  - echo "$GOOGLE_KEY" > key.json
-  - gcloud auth activate-service-account --key-file key.json
-  - gcloud config set compute/zone australia-southeast1-b
-  - gcloud config set project linuxconfsydney
-  - gcloud config set container/use_client_certificate True
-  - gcloud container clusters get-credentials lca02
-  - kubectl --namespace=rego-prod set image deployment/symposion-app symposion-app=asia.gcr.io/linuxconfsydney/symposion_app:$CI_COMMIT_SHA
-  when: manual
-  only:
-  - master
-  environment:
-    name: 2019/prod
-    url: https://rego.linux.conf.au
-
-build_review_deployment:
-  image: docker:git
-  services:
-    - docker:dind
-  stage: build
-  script:
-    - docker run -v "${PWD}"/k8s:/src sparkprime/jsonnet /src/deployment_template.jsonnet --tla-str slug="${CI_COMMIT_REF_SLUG}" --tla-str sha="${CI_COMMIT_SHA}" -m /src
+    - apk update && apk add git
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - docker build --pull -f docker/Dockerfile -t $CONTAINER_IMAGE .
+    - docker push $CONTAINER_IMAGE
   only:
-    - /^dev\/.*$/
-  artifacts:
-    paths:
-    - k8s/deployment.json
-    - k8s/ingress.json
-    - k8s/certificate.json
-
-build_2020_image:
-  image: docker:git
-  stage: build
-  services:
-  - docker:dind
-  script:
-    - docker login -u _json_key -p "$GOOGLE_KEY" https://asia.gcr.io
-    - docker pull "${CONTAINER_IMAGE_2020}":latest || true
-    - docker build --cache-from "${CONTAINER_IMAGE_2020}":latest -f docker/Dockerfile -t "${CONTAINER_IMAGE_2020}":$CI_COMMIT_SHA .
-    - docker push "${CONTAINER_IMAGE_2020}":$CI_COMMIT_SHA
-    - docker build --build-arg CI_COMMIT_SHA=$CI_COMMIT_SHA -f docker/Dockerfile.dev -t "${CONTAINER_IMAGE_2020}"_dev:$CI_COMMIT_SHA .
-    - docker push "${CONTAINER_IMAGE_2020}"_dev:$CI_COMMIT_SHA
-    - docker tag "${CONTAINER_IMAGE_2020}"_dev:$CI_COMMIT_SHA "${CONTAINER_IMAGE_2020}"_dev:$CI_COMMIT_REF_SLUG
-    - docker push "${CONTAINER_IMAGE_2020}"_dev:$CI_COMMIT_REF_SLUG
-  except:
     - "2020"
-    - "master"
-
-2020-prod-deploy:
-  image: google/cloud-sdk
-  stage: deploy
-  script:
-  - echo "${CA_CERT}" > cert.crt
-  - kubectl config set-cluster cluster --server="${KUBE_SERVER}" --embed-certs=true --certificate-authority=cert.crt
-  - kubectl config set-context cluster --cluster=cluster --namespace=lca2020-prod --user=gitlab-ci
-  - kubectl config use-context cluster
-  - kubectl --token "${GL_KUBE_TOKEN}" set image deployment/symposion-app symposion-app="${CONTAINER_IMAGE_2020}":$CI_COMMIT_SHA
-  only:
-  - "2020"
-  when: manual
-  environment:
-    name: 2020/prod
-    url: https://lca2020.linux.conf.au
-
-
-2019-prod-deploy:
-  image: google/cloud-sdk
-  stage: deploy
-  script:
-  - echo "${CA_CERT}" > cert.crt
-  - kubectl config set-cluster cluster --server="${KUBE_SERVER}" --embed-certs=true --certificate-authority=cert.crt
-  - kubectl config set-context cluster --cluster=cluster --namespace=lca2019-prod --user=gitlab-ci
-  - kubectl config use-context cluster
-  - kubectl --token "${GL_KUBE_TOKEN}" set image deployment/symposion-app symposion-app="${CONTAINER_IMAGE_2019}":$CI_COMMIT_SHA
-  only:
-  - "2019"
-  when: manual
-  environment:
-    name: 2019/prod
-    url: https://2019.linux.conf.au
-
-2020_dev-deploy:
-  image: google/cloud-sdk
-  stage: deploy
-  script:
-  - echo "${CA_CERT}" > cert.crt
-  - kubectl config set-cluster cluster --server="${KUBE_SERVER}" --embed-certs=true --certificate-authority=cert.crt
-  - kubectl config set-context cluster --cluster=cluster --namespace=rego-dev --user=gitlab-sa
-  - kubectl config use-context cluster
-  - kubectl --token "${GL_KUBE_TOKEN}" set image deployment/symposion-app symposion-app="${CONTAINER_IMAGE_2020}"_dev:$CI_COMMIT_SHA
-  only:
-  - dev/2020
-  environment:
-    name: 2020/dev
-    url: https://2020-dev.lca2019.org
-
-2019_dev-deploy:
-  image: google/cloud-sdk
-  stage: deploy
-  script:
-  - echo "${CA_CERT}" > cert.crt
-  - kubectl config set-cluster cluster --server="${KUBE_SERVER}" --embed-certs=true --certificate-authority=cert.crt
-  - kubectl config set-context cluster --cluster=cluster --namespace=rego-dev --user=gitlab-sa
-  - kubectl config use-context cluster
-  - kubectl --token "${GL_KUBE_TOKEN}" set image deployment/symposion-app symposion-app="${CONTAINER_IMAGE_2019}"_dev:$CI_COMMIT_SHA
-  only:
-  - dev/2019
-  environment:
-    name: 2019/dev
-    url: https://dev.lca2019.org
-
-2019_review-deploy:
-  image: google/cloud-sdk
-  stage: deploy
-  script:
-  - echo "${CA_CERT}" > cert.crt
-  - kubectl config set-cluster cluster --server="${KUBE_SERVER}" --embed-certs=true --certificate-authority=cert.crt
-  - kubectl config set-context cluster --cluster=cluster --namespace=rego-review --user=rego-dev/gitlab-sa
-  - kubectl config use-context cluster
-  - kubectl --token "${GL_KUBE_TOKEN}" apply -f k8s/deployment.json
-  - kubectl --token "${GL_KUBE_TOKEN}" apply -f k8s/ingress.json
-  - kubectl --token "${GL_KUBE_TOKEN}" apply -f k8s/certificate.json
-
-  only:
-  - /^dev\/.*$/
-  environment:
-    name: 2019/dev/${CI_COMMIT_REF_SLUG}
-    url: https://${CI_COMMIT_REF_SLUG}.dev.lca2019.org
-    on_stop: 2019_review-stop-deploy
-
-2019_review-stop-deploy:
-  image: google/cloud-sdk
-  stage: deploy
-  script:
-  - echo "${CA_CERT}" > cert.crt
-  - kubectl config set-cluster cluster --server="${KUBE_SERVER}" --embed-certs=true --certificate-authority=cert.crt
-  - kubectl config set-context cluster --cluster=cluster --namespace=rego-review --user=rego-dev/gitlab-sa
-  - kubectl config use-context cluster
-  - kubectl --token "${GL_KUBE_TOKEN}" delete -f k8s/deployment.json
-  - kubectl --token "${GL_KUBE_TOKEN}" delete -f k8s/ingress.json
-  - kubectl --token "${GL_KUBE_TOKEN}" delete -f k8s/certificate.json
-  only:
-  - /^dev\/.*$/
-  when: manual
-  environment:
-    name: 2019/dev/${CI_COMMIT_REF_SLUG}
-    url: https://${CI_COMMIT_REF_SLUG}.dev.lca2019.org
-    action: stop
-
-2020_staging-deploy:
-  image: google/cloud-sdk
-  stage: deploy
-  script:
-  - echo "${CA_CERT}" > cert.crt
-  - kubectl config set-cluster cluster --server="${KUBE_SERVER}" --embed-certs=true --certificate-authority=cert.crt
-  - kubectl config set-context cluster --cluster=cluster --namespace=lca2020-staging --user=gitlab-ci
-  - kubectl config use-context cluster
-  - kubectl --token "${GL_KUBE_TOKEN}" set image deployment/symposion-app symposion-app="${CONTAINER_IMAGE_2020}"_dev:$CI_COMMIT_SHA
-  when: manual
-  only:
-  - dev/2020
-  environment:
-    name: 2020/staging
-    url: https://staging2020.lca2019.org
-
-2019_staging-deploy:
-  image: google/cloud-sdk
-  stage: deploy
-  script:
-  - echo "${CA_CERT}" > cert.crt
-  - kubectl config set-cluster cluster --server="${KUBE_SERVER}" --embed-certs=true --certificate-authority=cert.crt
-  - kubectl config set-context cluster --cluster=cluster --namespace=lca2019-staging --user=gitlab-ci
-  - kubectl config use-context cluster
-  - kubectl --token "${GL_KUBE_TOKEN}" set image deployment/symposion-app symposion-app="${CONTAINER_IMAGE_2019}"_dev:$CI_COMMIT_SHA
-  when: manual
-  only:
-  - dev/2019
-  environment:
-    name: 2019/staging
-    url: https://staging.lca2019.org
 
 .docs_template: &sphinx
   image: alpine
   script:
-  - apk --no-cache add py2-pip python-dev make
+  - apk --no-cache add py3-pip python3-dev make
   - pip install sphinx
   - cd docs
   - make html
@@ -218,15 +32,6 @@ build_2020_image:
     paths:
     - public
 
-pages:
-  <<: *sphinx
-  only:
-  - master
-  - "2019"
-  environment:
-    name: docs
-    url: https://laconfdev.gitlab.io/symposion_app/
-
-build_sphinx:
+build-sphinx:
   <<: *sphinx
   stage: build