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Nominatim Docker container

Fully-featured container for geocoding, reverse geocoding and address lookup based on Nominatim and Open Street Map data.

Table of content

Build

The build process is fairly straightforward, but requires lots of computer resources and can take days to complete.

To build, install Docker and run following command:

docker build github.com/merlinnot/nominatim-docker \
  -t nominatim \
  --build-arg BUILD_THREADS=16 \
  --build-arg BUILD_MEMORY=32GB \
  --build-arg OSM2PGSQL_CACHE=28000 \
  --build-arg RUNTIME_THREADS=2 \
  --build-arg RUNTIME_MEMORY=8GB

Full list of build arguments:

Name Default Description
BUILD_THREADS 16 Number of threads used during build process.
BUILD_MEMORY 32GB Memory dedicated to postgresql during build process.
PGSQL_VERSION 9.6 PostgreSQL version.
POSTGIS_VERSION 2.4 PostGIS version.
OSM2PGSQL_CACHE 24000 osm2pgsql cache size in MB, should be set to about 75% of memory available during build process, to a maximum of about 30000. Additional RAM will not be used.
PBF_URL planet URL to OpenStreetMap data in PBF format. See geofabrik.de for extracts.
REPLICATION_URL planet URL to directory with periodic updates. I recommend using geofabrik.de (see raw directory index and lookup updates).
IMPORT_ADMINISTRATIVE false Data provided in PBF_FILE might be used to import only administrative boundaries. Importing only administrative boundaries is much faster and is useful for tasks like country code reverse geocoding.
RUNTIME_THREADS 2 Estimated number of threads available to the running container.
RUNTIME_MEMORY 8GB Estimated memory size available to the running container.

Run

To run container built in the previous step use

docker run --restart=always -d -p 80:80 merlinnot/nominatim-docker

API will be available at port 80 under /nominatim/ directory.

Develop

This project uses Devver, but feel free to use any of your favorite editors.

For development purposes I strongly encourage to start a build process using URLs for Monacco, it makes the process much faster:

docker build github.com/merlinnot/nominatim-docker \
  -t nominatim \
  --build-arg BUILD_THREADS=2 \
  --build-arg BUILD_MEMORY=8GB \
  --build-arg OSM2PGSQL_CACHE=2000 \
  --build-arg RUNTIME_THREADS=2 \
  --build-arg RUNTIME_MEMORY=8GB \
  --build-arg PBF_URL=http://download.geofabrik.de/europe/monaco-latest.osm.pbf \
  --build-arg REPLICATION_URL=http://download.geofabrik.de/monaco-updates