refine postgis docker with local volume mappings

docs/platform/installation.rst

@@ -355,6 +355,12 @@ PostGIS from Kartoza, see https://hub.docker.com/r/kartoza/postgis/ and https://
     template_postgis | postgres | UTF8      | C       | C     |
    (5 rows)
 
+
+This shorthand script ``~/git/services/postgis/run-postgis.sh`` will (re)run the ``postgis`` container.
+
+.. literalinclude:: ../../services/postgis/run-postgis.sh
+    :language: bash
+
 ETL - Last Measurements
 ~~~~~~~~~~~~~~~~~~~~~~~
 

services/postgis/run-postgis.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+#
+# Run the Postgresql server with PostGIS and default database "gis".
+#
+
+GIT="/opt/geonovum/smartem/git"
+LOG="/var/smartem/log"
+NAME="postgis"
+IMAGE="kartoza/postgis:9.4-2.1"
+
+VOL_MAP="-v /var/smartem/data/postgresql:/var/lib/postgresql -v ${LOG}/postgresql:/var/log/postgresql"
+PORT_MAP="-p 5432:5432"
+
+# Stop and remove possibly old containers
+sudo docker stop ${NAME} > /dev/null 2>&1
+sudo docker rm ${NAME} > /dev/null 2>&1
+
+# Finally run
+sudo docker run --name ${NAME} ${PORT_MAP} ${VOL_MAP} -d -t ${IMAGE}