PostGIS: GDAL_DATA is not defined #166
Description
When using PostGIS imageVolumes, PostgreSQL is logging the following warning when creating the extension:
{
"level": "info",
"ts": "2026-03-23T15:05:38.748554552Z",
"logger": "postgres",
"msg": "Warning 3: Cannot find tms_NZTM2000.json (GDAL_DATA is not defined)",
"source": "/controller/log/postgres",
"logging_pod": "cluster-postgis-1"
}
Also, PostGIS_Full_Version() reports the following:
PROJ="9.6.0 NETWORK_ENABLED=OFF URL_ENDPOINT= USER_WRITABLE_DIRECTORY=/tmp/proj" (compiled against PROJ 9.6.0)
GDAL="GDAL 3.10.3, released 2025/04/01 GDAL_DATA not found"
LIBXML="2.9.14"
LIBJSON="0.18"
LIBPROTOBUF="1.5.1"
WAGYU="0.5.0 (Internal)"
TOPOLOGY RASTER
(1 row)
Proposed fix
Requires #162 & cloudnative-pg/cloudnative-pg#10372 to be merged.
When building the image, we should copy:
- /usr/share/gdal
- /usr/share/proj
in the final layer, and define both GDAL_DATA and PROJ_DATA environment variables in the extension's metadata.