Update Dockerfile

Dockerfile

@@ -1,5 +1,13 @@
-FROM python:3.7-alpine
+# syntax=docker/dockerfile:1
 
-RUN apk add --no-cache \
-    musl-dev=1.1.24-r1 \
-    gcc=9.2.0-r3
+FROM python:3.8-slim-buster
+
+WORKDIR /app
+
+COPY requirements.txt requirements.txt
+
+RUN pip3 install -r requirements.txt
+
+COPY . .
+
+CMD [ "python3", "run.py"]

config.py

@@ -23,5 +23,5 @@
 CORS_ALLOWED_ORIGINS = '*'
 
 # Host and port the server should listen.
-HOST='127.0.0.1'
+HOST='0.0.0.0'
 PORT=5000

docker-compose.yml

@@ -5,7 +5,7 @@ services:
         build: .
         volumes:
             - .:/posio
-        working_dir: /posio
+        environment:
+            - POSIO_SETTINGS=/app/config.py
         ports:
             - 5000:5000
-        command: sh -c "pip install -r requirements.txt && POSIO_SETTINGS=/posio/docker/python/config.py python run.py"