Refactor docker-compose.yml & Dockerfile; Add Dockerfile_Ngx_template

Dockerfile

@@ -1,14 +1,18 @@
-FROM nginx:latest
+# from custom image
+FROM ngx-template:latest
 
 ARG NET_NAME=kek
 ARG CONTAINER_NAME=lol
 ARG STATIC_FILE=/usr/share/nginx/html/index.html
 
-COPY ./scripts/knocking_setup.sh /root/scripts/knocking_setup.sh
-
+# change default nginx index.html
 RUN sed -i '13,21d' $STATIC_FILE && \
     sed -i "13i <table>\
     <tr><th>NETWORK</th><th>CONTAINER</th></tr>\
     <tr><td>$NET_NAME</td><td>$CONTAINER_NAME</td></tr>\
     </table>" $STATIC_FILE
 
+# commented lines don't work
+CMD /root/scripts/knocking_setup.sh \
+    && nginx && knockd -d && sleep infinity
+