use env variables instead of using plain passwords

Signed-off-by: Krasi Georgiev <8903888+krasi-georgiev@users.noreply.github.com>

configuration/postgresql/initdb/001-init-loraserver_ns.sh

@@ -2,6 +2,6 @@
 set -e
 
 psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" <<-EOSQL
-    create role loraserver_ns with login password 'loraserver_ns';
+    create role loraserver_ns with login password '$POSTGRES_PASSWORD';
     create database loraserver_ns with owner loraserver_ns;
 EOSQL

configuration/postgresql/initdb/002-init-loraserver_as.sh

@@ -2,6 +2,6 @@
 set -e
 
 psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" <<-EOSQL
-    create role loraserver_as with login password 'loraserver_as';
+    create role loraserver_as with login password '$POSTGRES_PASSWORD';
     create database loraserver_as with owner loraserver_as;
 EOSQL

docker-compose-env.yml

@@ -20,7 +20,7 @@ services:
       - REDIS.URL=redis://redis:6379
       - APPLICATION_SERVER.INTEGRATION.MQTT.SERVER=tcp://mosquitto:1883
       - APPLICATION_SERVER.API.PUBLIC_HOST=appserver:8001
-      - APPLICATION_SERVER.EXTERNAL_API.JWT_SECRET=verysecret
+      - APPLICATION_SERVER.EXTERNAL_API.JWT_SECRET=${JWT_SECRET}
 
   gatewaybridge:
     image: loraserver/lora-gateway-bridge:3