diff --git a/docker/constraints.txt b/docker/constraints.txt
index d3497dd23..0a4829171 100644
--- a/docker/constraints.txt
+++ b/docker/constraints.txt
@@ -1,12 +1,12 @@
 #
-# This file is autogenerated by pip-compile with Python 3.11
+# This file is autogenerated by pip-compile with Python 3.10
 # by the following command:
 #
-#    pip-compile --strip-extras docker/constraints.in
+#    pip-compile --strip-extras constraints.in
 #
 affine==2.4.0
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   odc-geo
     #   rasterio
 alabaster==0.7.13
@@ -19,19 +19,20 @@ async-timeout==4.0.2
     # via redis
 attrs==22.2.0
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   fiona
     #   hypothesis
     #   jsonschema
     #   pytest
     #   rasterio
+    #   referencing
 babel==2.11.0
     # via sphinx
 bleach==6.0.0
     # via readme-renderer
 boto3==1.26.70
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   moto
 botocore==1.29.70
     # via
@@ -39,10 +40,10 @@ botocore==1.29.70
     #   moto
     #   s3transfer
 bottleneck==1.3.6
-    # via -r docker/constraints.in
+    # via -r constraints.in
 cachetools==5.3.0
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   odc-geo
 certifi==2022.12.7
     # via
@@ -62,10 +63,10 @@ cftime==1.6.2
 charset-normalizer==3.0.1
     # via requests
 ciso8601==2.3.0
-    # via -r docker/constraints.in
+    # via -r constraints.in
 click==8.1.3
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   click-plugins
     #   cligj
     #   dask
@@ -83,13 +84,13 @@ cligj==0.7.2
     #   rasterio
 cloudpickle==2.2.1
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   dask
     #   distributed
 commonmark==0.9.1
     # via recommonmark
 compliance-checker==4.3.4
-    # via -r docker/constraints.in
+    # via -r constraints.in
 contourpy==1.0.7
     # via matplotlib
 coverage==7.1.0
@@ -102,14 +103,14 @@ cycler==0.11.0
     # via matplotlib
 dask==2023.2.0
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   distributed
 decorator==5.1.1
     # via validators
 deprecat==2.1.1
     # via -r constraints.in
 distributed==2023.2.0
-    # via -r docker/constraints.in
+    # via -r constraints.in
 docutils==0.18.1
     # via
     #   readme-renderer
@@ -117,20 +118,24 @@ docutils==0.18.1
     #   sphinx
     #   sphinx-click
     #   sphinx-rtd-theme
+exceptiongroup==1.1.2
+    # via
+    #   hypothesis
+    #   pytest
 fiona==1.9.1
-    # via -r docker/constraints.in
+    # via -r constraints.in
 fonttools==4.38.0
     # via matplotlib
 fsspec==2023.1.0
     # via dask
 geoalchemy2==0.13.1
-    # via -r docker/constraints.in
+    # via -r constraints.in
 greenlet==2.0.2
     # via sqlalchemy
 heapdict==1.0.1
     # via zict
 hypothesis==6.68.1
-    # via -r docker/constraints.in
+    # via -r constraints.in
 idna==3.4
     # via requests
 imagesize==1.4.1
@@ -138,12 +143,7 @@ imagesize==1.4.1
 importlib-metadata==6.0.0
     # via
     #   keyring
-    #   sphinx
     #   twine
-importlib-resources==5.10.2
-    # via
-    #   jsonschema
-    #   keyring
 iniconfig==2.0.0
     # via pytest
 isodate==0.6.1
@@ -167,14 +167,16 @@ jmespath==1.0.1
     # via
     #   boto3
     #   botocore
-jsonschema==4.17.3
-    # via -r docker/constraints.in
+jsonschema==4.18.4
+    # via -r constraints.in
+jsonschema-specifications==2023.7.1
+    # via jsonschema
 keyring==23.13.1
     # via twine
 kiwisolver==1.4.4
     # via matplotlib
 lark==1.1.5
-    # via -r docker/constraints.in
+    # via -r constraints.in
 lazy-object-proxy==1.4.3
     # via astroid
 locket==1.0.0
@@ -190,7 +192,7 @@ markupsafe==2.1.2
     #   jinja2
     #   werkzeug
 matplotlib==3.7.0
-    # via -r docker/constraints.in
+    # via -r constraints.in
 mccabe==0.6.1
     # via pylint
 mdurl==0.1.2
@@ -198,18 +200,18 @@ mdurl==0.1.2
 more-itertools==9.0.0
     # via jaraco-classes
 moto==4.1.2
-    # via -r docker/constraints.in
+    # via -r constraints.in
 msgpack==1.0.4
     # via distributed
 munch==2.5.0
     # via fiona
 netcdf4==1.6.2
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   compliance-checker
 numpy==1.24.2
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   bottleneck
     #   cf-units
     #   cftime
@@ -223,7 +225,7 @@ numpy==1.24.2
     #   snuggs
     #   xarray
 odc-geo==0.3.3
-    # via -r docker/constraints.in
+    # via -r constraints.in
 owslib==0.27.2
     # via compliance-checker
 packaging==23.0
@@ -246,16 +248,14 @@ pillow==9.4.0
     # via matplotlib
 pkginfo==1.9.6
     # via twine
-pkgutil-resolve-name==1.3.10
-    # via jsonschema
 pluggy==1.0.0
     # via pytest
 psutil==5.9.4
     # via distributed
 psycopg2==2.9.5
-    # via -r docker/constraints.in
+    # via -r constraints.in
 pycodestyle==2.5.0
-    # via -r docker/constraints.in
+    # via -r constraints.in
 pycparser==2.21
     # via cffi
 pygeoif==1.0.0
@@ -266,32 +266,30 @@ pygments==2.14.0
     #   rich
     #   sphinx
 pylint==2.4.4
-    # via -r docker/constraints.in
+    # via -r constraints.in
 pyparsing==3.0.9
     # via
     #   matplotlib
     #   snuggs
 pyproj==3.4.1
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   compliance-checker
     #   odc-geo
-pyrsistent==0.19.3
-    # via jsonschema
 pytest==7.2.1
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   pytest-cov
     #   pytest-timeout
 pytest-cov==4.0.0
-    # via -r docker/constraints.in
+    # via -r constraints.in
 pytest-httpserver==1.0.6
-    # via -r docker/constraints.in
+    # via -r constraints.in
 pytest-timeout==2.1.0
-    # via -r docker/constraints.in
+    # via -r constraints.in
 python-dateutil==2.8.2
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   botocore
     #   matplotlib
     #   moto
@@ -307,18 +305,22 @@ pytzdata==2020.1
     # via pendulum
 pyyaml==6.0
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   dask
     #   distributed
     #   owslib
 rasterio==1.3.6
-    # via -r docker/constraints.in
+    # via -r constraints.in
 readme-renderer==37.3
     # via twine
 recommonmark==0.7.1
-    # via -r docker/constraints.in
+    # via -r constraints.in
 redis==4.5.1
-    # via -r docker/constraints.in
+    # via -r constraints.in
+referencing==0.30.0
+    # via
+    #   jsonschema
+    #   jsonschema-specifications
 regex==2022.10.31
     # via compliance-checker
 requests==2.28.2
@@ -338,17 +340,23 @@ rfc3986==2.0.0
     # via twine
 rich==13.3.1
     # via twine
+rpds-py==0.9.2
+    # via
+    #   jsonschema
+    #   referencing
 ruamel-yaml==0.17.21
-    # via -r docker/constraints.in
+    # via -r constraints.in
+ruamel-yaml-clib==0.2.7
+    # via ruamel-yaml
 s3transfer==0.6.0
     # via boto3
 secretstorage==3.3.3
     # via keyring
 setuptools-scm==7.1.0
-    # via -r docker/constraints.in
+    # via -r constraints.in
 shapely==2.0.1
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   odc-geo
 six==1.16.0
     # via
@@ -367,17 +375,17 @@ sortedcontainers==2.4.0
     #   hypothesis
 sphinx==5.3.0
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   recommonmark
     #   sphinx-autodoc-typehints
     #   sphinx-click
     #   sphinx-rtd-theme
 sphinx-autodoc-typehints==1.22
-    # via -r docker/constraints.in
+    # via -r constraints.in
 sphinx-click==4.4.0
-    # via -r docker/constraints.in
+    # via -r constraints.in
 sphinx-rtd-theme==1.2.0
-    # via -r docker/constraints.in
+    # via -r constraints.in
 sphinxcontrib-applehelp==1.0.4
     # via sphinx
 sphinxcontrib-devhelp==1.0.2
@@ -394,30 +402,34 @@ sphinxcontrib-serializinghtml==1.1.5
     # via sphinx
 sqlalchemy==2.0.8
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   geoalchemy2
 tblib==1.7.0
     # via distributed
 toml==0.10.2
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   responses
+tomli==2.0.1
+    # via
+    #   coverage
+    #   pytest
+    #   setuptools-scm
 toolz==0.12.0
     # via
-    #   -r docker/constraints.in
+    #   -r constraints.in
     #   dask
     #   distributed
     #   partd
 tornado==6.2
     # via distributed
 twine==4.0.2
-    # via -r docker/constraints.in
+    # via -r constraints.in
 types-toml==0.10.8.3
     # via responses
 typing-extensions==4.4.0
     # via
     #   pygeoif
-    #   rich
     #   setuptools-scm
     #   sqlalchemy
 urllib3==1.26.14
@@ -436,13 +448,13 @@ werkzeug==2.2.2
     #   moto
     #   pytest-httpserver
 wheel==0.38.4
-    # via -r docker/constraints.in
+    # via -r constraints.in
 wrapt==1.11.2
     # via
     #   astroid
     #   deprecat
 xarray==2023.2.0
-    # via -r docker/constraints.in
+    # via -r constraints.in
 xmltodict==0.13.0
     # via moto
 zict==2.2.0
diff --git a/docs/about/develop-1.9.rst b/docs/about/develop-1.9.rst
new file mode 100644
index 000000000..851281f7c
--- /dev/null
+++ b/docs/about/develop-1.9.rst
@@ -0,0 +1,9 @@
+Process for porting 1.8 updates into 1.9
+
+For admins only:
+
+1. cherry-pick the merged PR commits from develop into develop-1.9
+2. Regenerate constraints.txt if constraints.in has been touched and commit.
+3. force-push to develop-1.9 (before 1.9.0 release only)
+
+After 1.9.0 release, go through a full PR process.
diff --git a/docs/about/whats_new.rst b/docs/about/whats_new.rst
index 1475f0e3d..3f8133614 100644
--- a/docs/about/whats_new.rst
+++ b/docs/about/whats_new.rst
@@ -19,6 +19,7 @@ v1.9.next
 - Remove executor API (:pull:`1462`)
 - Remove ingestion methods, `GridWorkflow` and `Tile` classes (:pull:`1465`)
 - Fix postgis queries for numeric custom search fields (:pull:`1475`)
+- Document best practice for pulling in changes from develop and update constraints.txt (:pull:`1478`)
 
 
 v1.8.next