postgis/postgis

The postgis/postgis image provides tags for running Postgres with PostGIS extensions installed. This image is based on the official postgres image and provides debian and alpine variants for PostGIS 3.3.x for each supported version of Postgres (11, 12, 13, 14 and 15). Additionally, an image version is provided which is built from the latest two versions of Postgres (14, 15) with versions of PostGIS and its dependencies built from their respective master branches.

This image ensures that the default database created by the parent postgres image will have the following extensions installed:

installed extensions	initialized
`postgis`	yes
`postgis_topology`	yes
`postgis_tiger_geocoder`	yes
`postgis_raster`
`postgis_sfcgal`
`address_standardizer`
`address_standardizer_data_us`

Unless -e POSTGRES_DB is passed to the container at startup time, this database will be named after the admin user (either postgres or the user specified with -e POSTGRES_USER). If you would prefer to use the older template database mechanism for enabling PostGIS, the image also provides a PostGIS-enabled template database called template_postgis.

Versions (2023-07-04)

Supported architecture: amd64

Recommended version for new users: postgis/postgis:15-3.3

Debian based (recommended)

This Docker-PostGIS version has a cautious release cycle to guarantee high stability.
- By "cautious", we mean it does not always have the latest versions of geos, proj, gdal, and sfcgal packages.
We use PostGIS, geos, proj, gdal, and sfcgal packages from the Debian repository.
- In the Debian Bullseye repository, the versions are: geos=3.9, gdal=3.2, proj=7.2, and sfcgal=1.3.9.
This version is easy to extend and has matured over time.

DockerHub image	Dockerfile	OS	Postgres	PostGIS
postgis/postgis:11-3.3	Dockerfile	debian:bullseye	11	3.3.3
postgis/postgis:12-3.3	Dockerfile	debian:bullseye	12	3.3.3
postgis/postgis:13-3.3	Dockerfile	debian:bullseye	13	3.3.3
postgis/postgis:14-3.3	Dockerfile	debian:bullseye	14	3.3.3
postgis/postgis:15-3.3	Dockerfile	debian:bullseye	15	3.3.3

Alpine based

The base operating system is Alpine Linux. It is designed to be small, simple, and secure, and it's based on musl libc.
In the Alpine 3.18 version, the package versions are: geos=3.11, gdal=3.6, proj=9.2, and sfcgal=1.4.
PostGIS is compiled from source, making it a bit more challenging to extend.

DockerHub image	Dockerfile	OS	Postgres	PostGIS
postgis/postgis:11-3.3-alpine	Dockerfile	alpine:3.18	11	3.3.3
postgis/postgis:12-3.3-alpine	Dockerfile	alpine:3.18	12	3.3.3
postgis/postgis:13-3.3-alpine	Dockerfile	alpine:3.18	13	3.3.3
postgis/postgis:14-3.3-alpine	Dockerfile	alpine:3.18	14	3.3.3
postgis/postgis:15-3.3-alpine	Dockerfile	alpine:3.18	15	3.3.3

Test images

We provide alpha, beta, release candidate (rc), and development (identified as ~master) versions.
The template for the *-master images is updated manually, which might lead to a delay of a few weeks sometimes.
The ~master SFCGAL version is 1.4 or higher. The cgal version is locked on the 5.6.x-branch.

DockerHub image	Dockerfile	OS	Postgres	PostGIS
postgis/postgis:14-master	Dockerfile	debian:bullseye	14	development: postgis, geos, proj, gdal
postgis/postgis:15-master	Dockerfile	debian:bullseye	15	development: postgis, geos, proj, gdal
postgis/postgis:16beta2-3.3.3-alpine	Dockerfile	alpine:3.18	16beta2	3.3.3
postgis/postgis:16beta2-master	Dockerfile	debian:bullseye	16beta2	development: postgis, geos, proj, gdal

Usage

In order to run a basic container capable of serving a PostGIS-enabled database, start a container as follows:

docker run --name some-postgis -e POSTGRES_PASSWORD=mysecretpassword -d postgis/postgis

For more detailed instructions about how to start and control your Postgres container, see the documentation for the postgres image here.

Once you have started a database container, you can then connect to the database either directly on the running container:

docker exec -ti some-postgis psql -U postgres

... or starting a new container to run as a client. In this case you can use a user-defined network to link both containers:

docker network create some-network

# Server container
docker run --name some-postgis --network some-network -e POSTGRES_PASSWORD=mysecretpassword -d postgis/postgis

# Client container
docker run -it --rm --network some-network postgis/postgis psql -h some-postgis -U postgres

Check the documentation on the postgres image and Docker networking for more details and alternatives on connecting different containers.

See the PostGIS documentation for more details on your options for creating and using a spatially-enabled database.

Supported Environment Variables:

Since the docker-postgis repository is an extension of the official Docker PostgreSQL repository, all environment variables supported there are also supported here:

POSTGRES_PASSWORD
POSTGRES_USER
POSTGRES_DB
POSTGRES_INITDB_ARGS
POSTGRES_INITDB_WALDIR
POSTGRES_HOST_AUTH_METHOD
PGDATA

Read more: https://github.com/docker-library/docs/blob/master/postgres/README.md

Warning: the Docker specific variables will only have an effect if you start the container with a data directory that is empty; any pre-existing database will be left untouched on container startup.

It's important to note that the environment variables for the Docker image are different from those of the libpq — C Library (PGDATABASE,PGUSER,PGPASSWORD )

Troubleshooting tips:

Troubleshooting can often be challenging. It's important to know that the docker-postgis repository is an extension of the official Docker PostgreSQL repository. Therefore, if you encounter any issues, it's worth testing whether the problem can be reproduced with the official PostgreSQL Docker images. If so, it's recommended to search for solutions based on this. The following websites are suggested:

Upstream docker postgres repo: https://github.com/docker-library/postgres
- search for the open or closed issues !
Docker Community Forums: https://forums.docker.com
Docker Community Slack: https://dockr.ly/slack
Stack Overflow: https://stackoverflow.com/questions/tagged/docker+postgresql

If your problem is Postgis related:

Stack Overflow : docker + postgis https://stackoverflow.com/questions/tagged/docker+postgis
Postgis issue tracker: https://trac.osgeo.org/postgis/report

And if you don't have a postgres docker experience - read this blog post:

https://www.docker.com/blog/how-to-use-the-postgres-docker-official-image/

Security

It's crucial to be aware that in a cloud environment, with default settings, these images are vulnerable, and there's a high risk of cryptominer infection if the ports are left open. ( Read More )

Note that ports which are not bound to the host (i.e., -p 5432:5432 instead of -p 127.0.0.1:5432:5432) will be accessible from the outside. This also applies if you configured UFW to block this specific port, as Docker manages its own iptables rules. ( Read More )

Recomendations:

You can add options for using SSL ( see postgres example )
- -c ssl=on -c ssl_cert_file=/var/lib/postgresql/server.crt -c ssl_key_file=/var/lib/postgresql/server.key
Or you can use SSH Tunnels with -p 127.0.0.1:5432:5432

Known Issues / Errors

When You encouter errors due to PostGIS update OperationalError: could not access file "$libdir/postgis-X.X, run:

docker exec some-postgis update-postgis.sh

It will update to Your newest PostGIS. Update is idempotent, so it won't hurt when You run it more than once, You will get notification like:

Updating PostGIS extensions template_postgis to X.X.X
NOTICE:  version "X.X.X" of extension "postgis" is already installed
NOTICE:  version "X.X.X" of extension "postgis_topology" is already installed
NOTICE:  version "X.X.X" of extension "postgis_tiger_geocoder" is already installed
ALTER EXTENSION
Updating PostGIS extensions docker to X.X.X
NOTICE:  version "X.X.X" of extension "postgis" is already installed
NOTICE:  version "X.X.X" of extension "postgis_topology" is already installed
NOTICE:  version "X.X.X" of extension "postgis_tiger_geocoder" is already installed
ALTER EXTENSION

License

nidzola/docker-postgis

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