update providers to allow 1..n representations (#489)

docker/examples/elastic/pygeoapi/docker.config.yml

@@ -111,13 +111,14 @@ resources:
                 begin: 2000-10-30T18:24:39Z
                 end: 2007-10-30T08:57:29Z
                 trs: http://www.opengis.net/def/uom/ISO-8601/0/Gregorian
-        provider:
-            name: CSV
-            data: tests/data/obs.csv
-            id_field: id
-            geometry:
-                x_field: long
-                y_field: long
+        providers:
+            - type: feature
+              name: CSV
+              data: tests/data/obs.csv
+              id_field: id
+              geometry:
+                  x_field: long
+                  y_field: long
 
     ne_110m_populated_places_simple:
         type: collection
@@ -142,11 +143,12 @@ resources:
             spatial:
                 bbox: [-180,-90,180,90]
                 crs: http://www.opengis.net/def/crs/OGC/1.3/CRS84
-        provider:
-            name: Elasticsearch
-            #Note elastic_search is the docker container of ES the name is defined in the docker-compose.yml
-            data: http://elastic_search:9200/ne_110m_populated_places_simple
-            id_field: geonameid
+        providers:
+            - type: feature
+              name: Elasticsearch
+              #Note elastic_search is the docker container of ES the name is defined in the docker-compose.yml
+              data: http://elastic_search:9200/ne_110m_populated_places_simple
+              id_field: geonameid
 
     lakes:
         type: collection
@@ -168,10 +170,11 @@ resources:
                 begin: 2011-11-11
                 end: null  # or empty
                 trs: http://www.opengis.net/def/uom/ISO-8601/0/Gregorian
-        provider:
-            name: GeoJSON
-            data: tests/data/ne_110m_lakes.geojson
-            id_field: id
+        providers:
+            - type: feature
+              name: GeoJSON
+              data: tests/data/ne_110m_lakes.geojson
+              id_field: id
 
     countries:
         type: collection
@@ -193,11 +196,12 @@ resources:
             temporal:
                 begin:
                 end: null  # or empty
-        provider:
-            name: SQLiteGPKG
-            data: tests/data/ne_110m_admin_0_countries.sqlite
-            id_field: ogc_fid
-            table: ne_110m_admin_0_countries
+        providers:
+            - type: feature
+              name: SQLiteGPKG
+              data: tests/data/ne_110m_admin_0_countries.sqlite
+              id_field: ogc_fid
+              table: ne_110m_admin_0_countries
 
     hello-world:
         type: process

docker/examples/simple/my.config.yml

@@ -109,13 +109,14 @@ resources:
                 begin: 2000-10-30T18:24:39Z
                 end: 2007-10-30T08:57:29Z
                 trs: http://www.opengis.net/def/uom/ISO-8601/0/Gregorian
-        provider:
-            name: CSV
-            data: tests/data/obs.csv
-            id_field: id
-            geometry:
-                x_field: long
-                y_field: long
+        providers:
+            - type: feature
+              name: CSV
+              data: tests/data/obs.csv
+              id_field: id
+              geometry:
+                  x_field: long
+                  y_field: long
 
     lakes:
         type: collection
@@ -137,10 +138,11 @@ resources:
                 begin: 2011-11-11
                 end: null  # or empty
                 trs: http://www.opengis.net/def/uom/ISO-8601/0/Gregorian
-        provider:
-            name: GeoJSON
-            data: tests/data/ne_110m_lakes.geojson
-            id_field: id
+        providers:
+            - type: feature
+              name: GeoJSON
+              data: tests/data/ne_110m_lakes.geojson
+              id_field: id
 
     countries:
         type: collection
@@ -162,11 +164,12 @@ resources:
             temporal:
                 begin:
                 end: null  # or empty
-        provider:
-            name: SQLiteGPKG
-            data: tests/data/ne_110m_admin_0_countries.sqlite
-            id_field: ogc_fid
-            table: ne_110m_admin_0_countries
+        providers:
+            - type: feature
+              name: SQLiteGPKG
+              data: tests/data/ne_110m_admin_0_countries.sqlite
+              id_field: ogc_fid
+              table: ne_110m_admin_0_countries
 
     hello-world:
         type: process