feat(infra): add multi-stage dockerfiles for PaaS deployment

docker-compose.yml

@@ -13,7 +13,8 @@ services:
 
   gateway:
     build: 
-      context: ./axhub-gateway
+      context: .
+      dockerfile: axhub-gateway/Dockerfile
     ports:
       - "8281:8081"
     volumes:
@@ -38,7 +39,8 @@ services:
 
   tool-sms:
     build: 
-      context: ./axhub-tool-sms
+      context: .
+      dockerfile: axhub-tool-sms/Dockerfile
     ports:
       - "8282:8082"
     depends_on:
@@ -58,7 +60,8 @@ services:
       - GLOW_COMMUNICATION_EAI_PORT=8080
   tool-email:
     build: 
-      context: ./axhub-tool-email
+      context: .
+      dockerfile: axhub-tool-email/Dockerfile
     ports:
       - "8283:8083"
     depends_on:
@@ -78,7 +81,8 @@ services:
       - GLOW_COMMUNICATION_EAI_PORT=8080
   tool-other:
     build: 
-      context: ./axhub-tool-other
+      context: .
+      dockerfile: axhub-tool-other/Dockerfile
     ports:
       - "8284:8084"
     depends_on:
@@ -98,7 +102,8 @@ services:
       - GLOW_COMMUNICATION_EAI_PORT=8080
   tool-payment:
     build:
-      context: ./axhub-tool-payment
+      context: .
+      dockerfile: axhub-tool-payment/Dockerfile
     ports:
       - "8285:8085"
     depends_on: