Create airports table

.gitignore

@@ -1 +1,3 @@
 *.iml
+postgis/postgresql_data/
+

docker-compose-demo.yml

@@ -18,3 +18,21 @@ services:
     volumes:
       - ./additional_libs:/opt/additional_libs:Z # by mounting this we can install libs from host on startup
       - ./additional_fonts:/opt/additional_fonts:Z # by mounting this we can install fonts from host on startup
+  postgis:
+    image: postgis/postgis:14-3.1-alpine
+    ports:
+      - 5555:5432
+    environment:
+      POSTGRES_USER: geoserver
+      POSTGRES_PASSWORD: geoserver
+      # will try to download the latest airports.csv, but may fail if the attribute set of the csv has changed (which sometimes happens)
+      # set this to false and the shipped airports.csv (mounted below) will be used instead
+      TRY_TO_USE_LATEST_AIRPORTS: true
+    volumes:
+      - ./postgis/postgresql_data:/var/lib/postgresql/data:Z
+      - ./postgis/init_data/01_download_airports.sh:/docker-entrypoint-initdb.d/11_download_airports.sh # in container we need to be > 10 as in 10 postgis is installed
+      - ./postgis/init_data/02_create_table.sql:/docker-entrypoint-initdb.d/12_create_table.sql
+      - ./postgis/init_data/03_copy_from_csv.sql:/docker-entrypoint-initdb.d/13_copy_from_csv.sql
+      - ./postgis/init_data/04_update_geom.sql:/docker-entrypoint-initdb.d/14_update_geom.sql
+      - ./postgis/init_data/05_create_index.sql:/docker-entrypoint-initdb.d/15_create_index.sql
+      - ./postgis/init_data/airports.csv:/docker-entrypoint-initdb.d/airports.csv

postgis/init_data/01_download_airports.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+cd # go to home directory for permisson reasons (/var/lib/postgresql)
+if [ ! -f /var/lib/postgresql/airports.csv ]; then
+    wget https://ourairports.com/data/airports.csv # download the file
+fi

postgis/init_data/02_create_table.sql

@@ -0,0 +1,27 @@
+CREATE TABLE airports
+(
+  gid serial NOT NULL,
+  ourairports_id integer,
+  ident varchar(16),
+  "type" varchar(32),
+  "name" varchar(255),
+  lat decimal,
+  lon decimal,
+  elevation smallint,
+  continent varchar(2),
+  iso_country varchar(2),
+  iso_region varchar(8),
+  municipality varchar(64),
+  scheduled_service boolean,
+  gps_code varchar(4),
+  iata_code varchar(3),
+  local_code varchar(8),
+  homepage varchar(255),
+  wikipedia varchar(255),
+  keywords text,
+  the_geom geometry(Point, 4326),
+  CONSTRAINT airports_pkey PRIMARY KEY (gid),
+  CONSTRAINT enforce_dims_the_geom CHECK (st_ndims(the_geom) = 2),
+  CONSTRAINT enforce_geotype_geom CHECK (geometrytype(the_geom) = 'POINT'::text OR the_geom IS NULL),
+  CONSTRAINT enforce_srid_the_geom CHECK (st_srid(the_geom) = 4326)
+);

postgis/init_data/03_copy_from_csv.sql

@@ -0,0 +1,20 @@
+copy airports(
+	ourairports_id,
+	ident,
+	"type",
+	"name",
+	lat,
+	lon,
+	elevation,
+	continent,
+	iso_country,
+	iso_region,
+	municipality,
+	scheduled_service,
+	gps_code,
+	iata_code,
+	local_code,
+	homepage,
+	wikipedia,
+	keywords
+) FROM '/var/lib/postgresql/airports.csv' DELIMITERS ',' CSV HEADER;

postgis/init_data/04_update_geom.sql

@@ -0,0 +1 @@
+UPDATE airports SET the_geom = ST_GeomFromText('POINT(' || lon || ' ' || lat || ')', 4326);

postgis/init_data/05_create_index.sql

@@ -0,0 +1,4 @@
+CREATE INDEX airports_the_geom_gist
+  ON airports
+  USING gist
+  (the_geom);