add docker build script for squid

docker-compose.yml

@@ -2,7 +2,7 @@ version: "3"
 
 services:
   processor:
-    image: h30x/duniter-squid
+    image: poka/duniter-squid
     environment:
       - DB_NAME=${DB_NAME}
       - DB_PORT=5432

scripts/build-docker-image-squid.sh

+#!/bin/bash
+
+set -e
+
+tag=$1
+[[ ! $tag ]] && tag="latest"
+
+docker build -f Dockerfile -t duniter-squid .
+docker image tag duniter-squid:$tag poka/duniter-squid
+docker image push poka/duniter-squid:$tag