diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 0000000..6d27172
--- /dev/null
+++ b/.drone.yml
@@ -0,0 +1,500 @@
+kind: pipeline
+type: docker
+name: build
+
+steps:
+- name: restore ASDF cache
+  image: meltwater/drone-cache
+  pull: "always"
+  environment:
+    AWS_ACCESS_KEY_ID:
+      from_secret: ACCESS_KEY_ID
+    AWS_SECRET_ACCESS_KEY:
+      from_secret: SECRET_ACCESS_KEY
+    AWS_PLUGIN_PATH_STYLE: true
+  settings:
+    restore: true
+    endpoint:
+      from_secret: S3_ENDPOINT
+    bucket:
+      from_secret: CACHE_BUCKET
+    region: us-east-1
+    path-style: true
+    cache_key: 'asdf-{{ os }}-{{ arch }}-{{ checksum ".tool-versions" }}'
+    mount:
+    - .asdf
+
+- name: restore build cache
+  image: meltwater/drone-cache
+  pull: "always"
+  environment:
+    AWS_ACCESS_KEY_ID:
+      from_secret: ACCESS_KEY_ID
+    AWS_SECRET_ACCESS_KEY:
+      from_secret: SECRET_ACCESS_KEY
+    AWS_PLUGIN_PATH_STYLE: true
+  settings:
+    restore: true
+    endpoint:
+      from_secret: S3_ENDPOINT
+    bucket:
+      from_secret: CACHE_BUCKET
+    region: us-east-1
+    path-style: true
+    cache_key: 'elixir-{{ checksum "mix.lock" }}'
+    mount:
+    - deps
+    - _build
+    - .hex
+    - .mix
+
+- name: install dependencies
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    ASDF_DATA_DIR: /drone/src/.asdf
+    ASDF_DIR: /root/.asdf
+  depends_on:
+  - restore ASDF cache
+  - restore build cache
+  commands:
+  - asdf_install
+  - rm -rf .asdf/downloads
+  - . $ASDF_DIR/asdf.sh
+  - mix local.hex --force
+  - mix local.rebar --force
+  - mix deps.get
+  - mix deps.compile
+
+- name: store ASDF cache
+  image: meltwater/drone-cache
+  pull: "always"
+  environment:
+    AWS_ACCESS_KEY_ID:
+      from_secret: ACCESS_KEY_ID
+    AWS_SECRET_ACCESS_KEY:
+      from_secret: SECRET_ACCESS_KEY
+    AWS_PLUGIN_PATH_STYLE: true
+  depends_on:
+  - install dependencies
+  settings:
+    rebuild: true
+    override: false
+    endpoint:
+      from_secret: S3_ENDPOINT
+    bucket:
+      from_secret: CACHE_BUCKET
+    region: us-east-1
+    path-style: true
+    cache_key: 'asdf-{{ os }}-{{ arch }}-{{ checksum ".tool-versions" }}'
+    mount:
+    - .asdf
+
+- name: store build cache
+  image: meltwater/drone-cache
+  pull: "always"
+  environment:
+    AWS_ACCESS_KEY_ID:
+      from_secret: ACCESS_KEY_ID
+    AWS_SECRET_ACCESS_KEY:
+      from_secret: SECRET_ACCESS_KEY
+    AWS_PLUGIN_PATH_STYLE: true
+  depends_on:
+  - install dependencies
+  settings:
+    rebuild: true
+    override: false
+    endpoint:
+      from_secret: S3_ENDPOINT
+    bucket:
+      from_secret: CACHE_BUCKET
+    region: us-east-1
+    path-style: true
+    cache_key: 'elixir-{{ checksum "mix.lock" }}'
+    mount:
+    - deps
+    - _build
+    - .hex
+    - .mix
+
+---
+
+kind: pipeline
+type: docker
+name: test
+
+depends_on:
+  - build
+
+steps:
+- name: restore ASDF cache
+  image: meltwater/drone-cache
+  pull: "always"
+  environment:
+    AWS_ACCESS_KEY_ID:
+      from_secret: ACCESS_KEY_ID
+    AWS_SECRET_ACCESS_KEY:
+      from_secret: SECRET_ACCESS_KEY
+    AWS_PLUGIN_PATH_STYLE: true
+  settings:
+    restore: true
+    endpoint:
+      from_secret: S3_ENDPOINT
+    bucket:
+      from_secret: CACHE_BUCKET
+    region: us-east-1
+    path-style: true
+    cache_key: 'asdf-{{ os }}-{{ arch }}-{{ checksum ".tool-versions" }}'
+    mount:
+    - .asdf
+
+- name: restore build cache
+  image: meltwater/drone-cache
+  pull: "always"
+  environment:
+    AWS_ACCESS_KEY_ID:
+      from_secret: ACCESS_KEY_ID
+    AWS_SECRET_ACCESS_KEY:
+      from_secret: SECRET_ACCESS_KEY
+    AWS_PLUGIN_PATH_STYLE: true
+  settings:
+    restore: true
+    endpoint:
+      from_secret: S3_ENDPOINT
+    bucket:
+      from_secret: CACHE_BUCKET
+    region: us-east-1
+    path-style: true
+    cache_key: 'elixir-{{ checksum "mix.lock" }}'
+    mount:
+    - deps
+    - _build
+    - .hex
+    - .mix
+
+- name: mix compile
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - restore ASDF cache
+  - restore build cache
+  commands:
+  - asdf mix compile --warnings-as-errors
+
+- name: mix test
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - mix compile
+  commands:
+  - asdf mix test
+
+- name: mix credo
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - mix compile
+  commands:
+  - asdf mix credo --strict
+
+- name: mix sobelow
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - mix compile
+  commands:
+  - asdf mix sobelow --skip
+
+- name: mix hex.audit
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - mix compile
+  commands:
+  - asdf mix hex.audit
+
+- name: mix format
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - mix compile
+  commands:
+  - asdf mix format --check-formatted
+
+- name: mix deps.unlock
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - mix compile
+  commands:
+  - asdf mix deps.unlock --check-unused
+
+- name: mix doctor
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - mix compile
+  commands:
+  - asdf mix doctor --full
+
+- name: mix git_ops.check_message
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - mix compile
+  commands:
+  - git log -1 --format=%s > .last_commit_message
+  - asdf mix git_ops.check_message .last_commit_message
+
+---
+kind: pipeline
+type: docker
+name: git ops
+
+trigger:
+  branch:
+  - main
+  event:
+  - push
+
+depends_on:
+  - test
+
+steps:
+- name: restore ASDF cache
+  image: meltwater/drone-cache
+  pull: "always"
+  environment:
+    AWS_ACCESS_KEY_ID:
+      from_secret: ACCESS_KEY_ID
+    AWS_SECRET_ACCESS_KEY:
+      from_secret: SECRET_ACCESS_KEY
+    AWS_PLUGIN_PATH_STYLE: true
+  settings:
+    restore: true
+    endpoint:
+      from_secret: S3_ENDPOINT
+    bucket:
+      from_secret: CACHE_BUCKET
+    region: us-east-1
+    path-style: true
+    cache_key: 'asdf-{{ os }}-{{ arch }}-{{ checksum ".tool-versions" }}'
+    mount:
+    - .asdf
+
+- name: restore build cache
+  image: meltwater/drone-cache
+  pull: "always"
+  environment:
+    AWS_ACCESS_KEY_ID:
+      from_secret: ACCESS_KEY_ID
+    AWS_SECRET_ACCESS_KEY:
+      from_secret: SECRET_ACCESS_KEY
+    AWS_PLUGIN_PATH_STYLE: true
+  settings:
+    restore: true
+    endpoint:
+      from_secret: S3_ENDPOINT
+    bucket:
+      from_secret: CACHE_BUCKET
+    region: us-east-1
+    path-style: true
+    cache_key: 'elixir-{{ checksum "mix.lock" }}'
+    mount:
+    - deps
+    - _build
+    - .hex
+    - .mix
+
+- name: mix git_ops.release
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  depends_on:
+  - restore ASDF cache
+  - restore build cache
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    ASDF_DATA_DIR: /drone/src/.asdf
+    ASDF_DIR: /root/.asdf
+    DRONE_TOKEN:
+      from_secret: DRONE_TOKEN
+  commands:
+    - git fetch --tags
+    - . $ASDF_DIR/asdf.sh
+    - mix git_ops.project_info --format=shell > before.env
+    - mix git_ops.release --yes --no-major || true
+    - mix git_ops.project_info --format=shell > after.env
+    - . ./before.env
+    - export OLD_APP_VERSION=$${APP_VERSION}
+    - . ./after.env
+    - export NEW_APP_VERSION=$${APP_VERSION}
+    - if [ "v$${OLD_APP_VERSION}" != "v$${NEW_APP_VERSION}" ]; then
+    -   export GIT_URL=$(echo $DRONE_GIT_HTTP_URL | sed -e "s/:\\/\\//:\\/\\/$DRONE_REPO_OWNER:$DRONE_TOKEN@/")
+    -   git push $${GIT_URL} "HEAD:${DRONE_COMMIT_REF}" "refs/tags/v$${NEW_APP_VERSION}"
+    - fi
+
+---
+
+kind: pipeline
+type: docker
+name: release
+
+trigger:
+  ref:
+    include:
+    - refs/tags/v**
+
+depends_on:
+  - test
+
+steps:
+- name: restore ASDF cache
+  image: meltwater/drone-cache
+  pull: "always"
+  environment:
+    AWS_ACCESS_KEY_ID:
+      from_secret: ACCESS_KEY_ID
+    AWS_SECRET_ACCESS_KEY:
+      from_secret: SECRET_ACCESS_KEY
+    AWS_PLUGIN_PATH_STYLE: true
+  settings:
+    restore: true
+    endpoint:
+      from_secret: S3_ENDPOINT
+    bucket:
+      from_secret: CACHE_BUCKET
+    region: us-east-1
+    path-style: true
+    cache_key: 'asdf-{{ os }}-{{ arch }}-{{ checksum ".tool-versions" }}'
+    mount:
+    - .asdf
+
+- name: restore build cache
+  image: meltwater/drone-cache
+  pull: "always"
+  environment:
+    AWS_ACCESS_KEY_ID:
+      from_secret: ACCESS_KEY_ID
+    AWS_SECRET_ACCESS_KEY:
+      from_secret: SECRET_ACCESS_KEY
+    AWS_PLUGIN_PATH_STYLE: true
+  settings:
+    restore: true
+    endpoint:
+      from_secret: S3_ENDPOINT
+    bucket:
+      from_secret: CACHE_BUCKET
+    region: us-east-1
+    path-style: true
+    cache_key: 'elixir-{{ checksum "mix.lock" }}'
+    mount:
+    - deps
+    - _build
+    - .hex
+    - .mix
+
+- name: build artifacts
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  depends_on:
+  - restore ASDF cache
+  - restore build cache
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    ASDF_DATA_DIR: /drone/src/.asdf
+    ASDF_DIR: /root/.asdf
+  commands:
+    - . $ASDF_DIR/asdf.sh
+    - mix git_ops.project_info --format=shell > app.env
+    - . ./app.env
+    - mkdir artifacts
+    - mix esbuild prod
+    - mix hex.build -o "artifacts/$${APP_NAME}-$${APP_VERSION}-pkg.tar"
+    - gzip "artifacts/$${APP_NAME}-$${APP_VERSION}-pkg.tar"
+    - mix docs
+    - tar zcvf "artifacts/$${APP_NAME}-$${APP_VERSION}-docs.tar.gz" doc/
+    - git tag -l --format='%(contents:subject)' v$${APP_VERSION} > tag_subject
+    - git tag -l --format='%(contents:body)' v$${APP_VERSION} > tag_body
+
+- name: gitea release
+  image: plugins/gitea-release
+  depends_on:
+  - build artifacts
+  settings:
+    api_key:
+      from_secret: DRONE_TOKEN
+    base_url: https://code.harton.nz
+    files: artifacts/*.tar.gz
+    checksum: sha256
+    title: tag_subject
+    note: tag_body
+
+# - name: hex release
+#   image: code.harton.nz/james/asdf_container:latest
+#   pull: "always"
+#   depends_on:
+#   - restore ASDF cache
+#   - restore build cache
+#   environment:
+#     MIX_ENV: test
+#     HEX_HOME: /drone/src/.hex
+#     MIX_HOME: /drone/src/.mix
+#     ASDF_DATA_DIR: /drone/src/.asdf
+#     ASDF_DIR: /root/.asdf
+#     HEX_API_KEY:
+#       from_secret: HEX_API_KEY
+#   commands:
+#     - . $ASDF_DIR/asdf.sh
+#     - mix hex.publish --yes
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
deleted file mode 100644
index b970c36..0000000
--- a/.gitlab-ci.yml
+++ /dev/null
@@ -1,177 +0,0 @@
-image: elixir:latest
-
-stages:
-  - build
-  - test
-  - release
-
-variables:
-  MIX_ENV: "test"
-  PACKAGE_REGISTRY_URL: "${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/generic/"
-  HEX_HOME: "$CI_PROJECT_DIR/.hex"
-  MIX_HOME: "$CI_PROJECT_DIR/.mix"
-
-build:
-  image: elixir:latest
-  stage: build
-  cache:
-    key: "$CI_JOB_NAME"
-    paths:
-      - deps
-      - _build
-      - .hex
-      - .mix
-  script:
-    - mix local.hex --force
-    - mix local.rebar --force
-    - mix deps.get
-    - mix deps.compile
-    - mix compile --warnings-as-errors
-    - mix git_ops.project_info -f dotenv > project_info.env
-  artifacts:
-    paths:
-      - _build/
-      - deps/
-      - .hex
-      - .mix
-    reports:
-      dotenv: project_info.env
-
-test:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: test
-  script:
-    - mix test
-
-credo:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: test
-  script:
-    - mix credo
-
-dialyzer:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: test
-  cache:
-    key: "$CI_JOB_NAME"
-    paths:
-      - _build
-  script:
-    - mix dialyzer
-
-sobelow:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: test
-  script:
-    - mix sobelow --skip
-
-audit:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: test
-  script:
-    - mix hex.audit
-
-format:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: test
-  script:
-    - mix format --check-formatted
-
-unused_deps:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: test
-  script:
-    - mix deps.unlock --check-unused
-
-docs:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: test
-  script:
-    - mix doctor --full
-
-conventional_commit:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: test
-  script:
-    - git log -1 --format=%s > .last_commit_message
-    - mix git_ops.check_message .last_commit_message
-
-pages:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: release
-  script:
-    - mix docs -o public
-  artifacts:
-    paths:
-      - public
-  only:
-    - main
-
-git_ops:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: release
-  only:
-    refs:
-      - main
-  except:
-    variables:
-      - $CI_COMMIT_MESSAGE =~ /chore\:\ release version/
-  script:
-    - |
-      export OLD_APP_VERSION=$APP_VERSION
-      mkdir -p artifacts
-      git config --global user.name "Gitlab Runner for ${GITLAB_USER_NAME}"
-      git config --global user.email "${GITLAB_USER_EMAIL}"
-      mix git_ops.release --yes --no-major || true
-      mix git_ops.project_info -f shell > artifacts/env
-      source artifacts/env
-      if [ "v${OLD_APP_VERSION}" != "v${APP_VERSION}" ]; then
-        mix esbuild prod
-        mix hex.build -o "artifacts/${APP_NAME}-${APP_VERSION}.tar"
-        gzip "artifacts/${APP_NAME}-${APP_VERSION}.tar"
-        mix docs && tar zcvf "artifacts/${APP_NAME}-${APP_VERSION}-docs.tar.gz" doc/
-        curl --header "JOB_TOKEN: ${CI_JOB_TOKEN}" --upload-file "artifacts/${APP_NAME}-${APP_VERSION}.tar.gz" "${PACKAGE_REGISTRY_URL}/${APP_NAME}/${APP_VERSION}/${APP_NAME}-${APP_VERSION}.tar.gz"
-        curl --header "JOB_TOKEN: ${CI_JOB_TOKEN}" --upload-file "artifacts/${APP_NAME}-${APP_VERSION}-docs.tar.gz" "${PACKAGE_REGISTRY_URL}/${APP_NAME}/${APP_VERSION}/${APP_NAME}-${APP_VERSION}-docs.tar.gz"
-        git push "https://project_${CI_PROJECT_ID}_bot:${RELEASE_TOKEN}@gitlab.com/${CI_PROJECT_PATH}.git" "HEAD:${CI_COMMIT_REF_NAME}" "refs/tags/v${APP_VERSION}"
-      fi
-  artifacts:
-    paths:
-      - artifacts/*
-
-release-gitlab:
-  image: registry.gitlab.com/gitlab-org/release-cli:latest
-  dependencies:
-    - build
-  stage: release
-  only:
-    - tags
-    - /^v\d+\.\d+\.\d+(-\w+)?$/
-  script:
-    - release-cli create \
-      --name "Release ${APP_NAME} ${APP_VERSION}" \
-      --description "./CHANGELOG.md" \
-      --tag-name "v${APP_VERSION}" \
-      --assets-link "{\"name\":\"${APP_NAME}-${APP_VERSION}.tar.gz\",\"url\":\"${PACKAGE_REGISTRY_URL}/${APP_NAME}/${APP_VERSION}/${APP_NAME}-${APP_VERSION}.tar.gz\"}" \
-      --assets-link "{\"name\":\"${APP_NAME}-${APP_VERSION}-docs.tar.gz\",\"url\":\"${PACKAGE_REGISTRY_URL}/${APP_NAME}/${APP_VERSION}/${APP_NAME}-${APP_VERSION}-docs.tar.gz\"}"