Fix #592 - Adjustment in Dockerfile to upgrade pip package

docker-compose.yml

@@ -2,10 +2,7 @@ version: "3"
 
 services:
   app:
-    build:
-      context: .
-      dockerfile: docker/Dockerfile
-    image: powerdns-admin:latest
+    image: ngoduykhanh/powerdns-admin:latest
     container_name: powerdns_admin
     ports:
       - "9191:80"

docker-test/Dockerfile

@@ -17,6 +17,7 @@ RUN apt-get update -y \
 COPY ./requirements.txt /app/requirements.txt
 
 WORKDIR /app
+RUN pip3 install --upgrade pip
 RUN pip3 install -r requirements.txt
 
 COPY . /app

docker/Dockerfile

@@ -17,6 +17,7 @@ RUN apt-get update -y \
 COPY ./requirements.txt /app/requirements.txt
 
 WORKDIR /app
+RUN pip3 install --upgrade pip
 RUN pip3 install -r requirements.txt
 
 COPY . /app