added synchronization with conductor

Dockerfile

@@ -1,13 +1,7 @@
 FROM python:3.7
-COPY requirements.txt /
-RUN pip install -r /requirements.txt
 COPY conductor/ /app/conductor
 COPY pyexecplugins/ /app/pyexecplugins 
-COPY pyrest.py /app
-COPY pyexec.py /app
-COPY config.cfg /app
-COPY setup.py /app
-COPY entrypoint.sh /app
-RUN chmod 755 /app/entrypoint.sh
+COPY requirements.txt pyrest.py pyexec.py config.cfg entrypoint.sh /app/
+RUN pip install -r /app/requirements.txt
 WORKDIR /app
-ENTRYPOINT ["./entrypoint.sh"]
+ENTRYPOINT ["/app/entrypoint.sh"]

entrypoint.sh

@@ -1,4 +1,15 @@
-#!/bin/sh
+#!/bin/bash
+
+export BASE="http://conductorserver:8080/api"
+
+echo 'Waiting for Conductor ...'
+
+while [[ "$(curl -s -o /dev/null -L -w ''%{http_code}'' $BASE/health)" != 200 ]]; do
+    echo 'still waiting ...'
+    sleep 5
+done
+
+echo 'Starting workers...'
 
 python3 pyrest.py &
 python3 pyexec.py