diff --git a/.drone.yml b/.drone.yml
index 159dc65..8d8b413 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,89 +1,140 @@
----
+# ---
+# kind: pipeline
+# type: exec
+# name: amd64 — msvc
+# trigger:
+#   branch:
+#   - main
+# platform:
+#   os: windows
+#   arch: amd64
+# 
+# steps:
+# - name: unit tests
+#   shell: powershell
+#   commands: 
+#     - ./tools/ci/amd64/msvc/unit_tests.ps1
+# 
+# ---
+# kind: pipeline
+# type: docker
+# name: amd64 — gcc
+# trigger:
+#   branch:
+#   - main
+# 
+# steps:
+# - name: unit tests
+#   image: amd64_gcc_unit_tests:latest
+#   pull: if-not-exists
+#   commands:
+#     - ./tools/ci/amd64/gcc/unit_tests.sh
+# 
+# - name: valgrind
+#   image: amd64_gcc_valgrind:latest
+#   pull: if-not-exists
+#   commands:
+#     - ./tools/ci/amd64/gcc/valgrind.sh
+# 
+# ---
+# kind: pipeline
+# type: docker
+# name: amd64 — clang
+# trigger:
+#   branch:
+#   - main
+# 
+# steps:
+# - name: code coverage
+#   image: amd64_clang_coverage:latest
+#   pull: if-not-exists
+#   environment:
+#     CODECOV_TOKEN:
+#       from_secret: CODECOV_TOKEN 
+#   commands:
+#     - ./tools/ci/amd64/clang/coverage.sh
+# 
+# - name: leak sanitizer
+#   image: amd64_clang_lsan:latest
+#   pull: if-not-exists
+#   commands:
+#     - ./tools/ci/amd64/clang/lsan.sh
+# 
+# - name: memory sanitizer
+#   image: amd64_clang_msan:latest
+#   pull: if-not-exists
+#   commands:
+#     - ./tools/ci/amd64/clang/msan.sh
+# 
+# ---
+# kind: pipeline
+# type: docker
+# name: static analysis
+# trigger:
+#   branch:
+#   - main
+# 
+# steps:
+# - name: clang tidy
+#   image: clang_tidy:latest
+#   pull: if-not-exists
+#   privileged: true
+#   commands:
+#     - ./tools/ci/static_analysis/clang_tidy.sh
+# 
+# - name: clang format
+#   image: clang_format:latest
+#   pull: if-not-exists
+#   commands:
+#     - ./tools/ci/static_analysis/clang_format.sh
+
+# ---
 kind: pipeline
-type: exec
-name: amd64 — msvc
+type: docker 
+name: documentation — development
+node:
+  environment: ryali
 trigger:
   branch:
   - main
-platform:
-  os: windows
-  arch: amd64
 
 steps:
-- name: unit tests
-  shell: powershell
-  commands: 
-    - ./tools/ci/amd64/msvc/unit_tests.ps1
+- name: build and deploy
+  image: documentation:latest
+  pull: if-not-exists
+  commands:
+    - pwd
+    - cd docs
+    - mkdir generated
+    - touch generated/changelogs.rst
+    - touch generated/api.rst
+    - sphinx-build -M html . .
+
+    - rm -rf /light_docs_dev/*
+    - mv ./html/* /light_docs_dev/
 
 ---
+
 kind: pipeline
 type: docker
-name: amd64 — gcc
+name: documentation — production
+node:
+  environment: ryali
 trigger:
-  branch:
-  - main
+  event:
+  - tag
 
 steps:
-- name: unit tests
-  image: amd64_gcc_unit_tests:latest
+- name: build and deploy
+  image: documentation:latest
   pull: if-not-exists
   commands:
-    - ./tools/ci/amd64/gcc/unit_tests.sh
+    - pwd
+    - cd docs
+    - mkdir generated
+    - touch generated/changelogs.rst
+    - touch generated/api.rst
+    - sphinx-build -M html . .
 
-- name: valgrind
-  image: amd64_gcc_valgrind:latest
-  pull: if-not-exists
-  commands:
-    - ./tools/ci/amd64/gcc/valgrind.sh
-
----
-kind: pipeline
-type: docker
-name: amd64 — clang
-trigger:
-  branch:
-  - main
-
-steps:
-- name: code coverage
-  image: amd64_clang_coverage:latest
-  pull: if-not-exists
-  environment:
-    CODECOV_TOKEN:
-      from_secret: CODECOV_TOKEN 
-  commands:
-    - ./tools/ci/amd64/clang/coverage.sh
-
-- name: leak sanitizer
-  image: amd64_clang_lsan:latest
-  pull: if-not-exists
-  commands:
-    - ./tools/ci/amd64/clang/lsan.sh
-
-- name: memory sanitizer
-  image: amd64_clang_msan:latest
-  pull: if-not-exists
-  commands:
-    - ./tools/ci/amd64/clang/msan.sh
-
----
-kind: pipeline
-type: docker
-name: static analysis
-trigger:
-  branch:
-  - main
-
-steps:
-- name: clang tidy
-  image: clang_tidy:latest
-  pull: if-not-exists
-  privileged: true
-  commands:
-    - ./tools/ci/static_analysis/clang_tidy.sh
-
-- name: clang format
-  image: clang_format:latest
-  pull: if-not-exists
-  commands:
-    - ./tools/ci/static_analysis/clang_format.sh
+    - rm -rf /light_docs/*
+    - mv ./html/* /light_docs/