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map-service

This repo provides a scaffold for defining a map service in a Kubernetes or Docker environment. It is not a complete project as it lacks security controls, scaling procedures and others.

It uses Postgres, QGIS-server and Mapproxy.


Docker

Docker folder

  • docker-compose.yaml - defines the services
  • .env file - defines useful env variables
  • files folder - contains resources for the initialization of the project

Deploying:

Docker$ docker-compose up

Upload geographical data to Postgres. You can find them at Europe Maps:

Docker$ osm2pgsql -c -U db-user -d db-data -W -P 30432 -H localhost romania-latest.osm

Re-deploy so that mapproxy can generate a default configuration ( this is step is not needed if you provide the configuration by mounting it in the container):

Docker$ docker-compose down && docker-compose up -d

You can now access the map( you can use QGIS Destkop ):


K8s

!! You need to configure a NFS server. This is not covered !!

Create a namespace:

$ kubectl create namespace gis

Create a storage-class:

k8s/storage $ kubectl apply -f qgis-static-storage.yaml 
storageclass.storage.k8s.io/qgis-static-storage created

Create a pv:

k8s/storage $ kubectl  apply -f postgres-qgis-data.yaml 
persistentvolume/postgres-qgis-data created

Create a secret for the postgres and postgres connections:

k8s/database$ kubectl -n gis apply -f secret-config.yaml 
secret/postgres-secret created

Create postgres statefulset and service:

k8s/database$ kubectl -n gis apply -f postgres.yaml 
statefulset.apps/postgres-primary created
service/postgres-primary created

Populate database:

k8s/database$ osm2pgsql -c -U db-user -d db-data -W -P 31432 -H worker-01 romania-latest.osm

Deploy qgis:

k8s/qgis$ kubectl -n gis apply -f qgis.yaml
deployment.apps/qgis created
service/qgis-service created

Deploy mapproxy:

k8s/mapproxy$ kubectl -n gis apply -f mapproxy.yaml 
deployment.apps/mapproxy created
service/mapproxy-service created

You can now access the map( you can use QGIS Destkop ):