add docker file

Dockerfile

@@ -0,0 +1,21 @@
+FROM python:3.8-alpine as Build
+COPY backend/ /pkg/backend
+RUN apk -U --no-progress upgrade && \
+  apk --no-progress add gcc musl-dev && \
+  pip install -r /pkg/backend/requirements.txt && \
+  mv "/usr/local" "/pkg/usr" && \
+  adduser -S -D -H -h /var/lib/chaineTV -s /sbin/nologin -G users  -g chaineTV chaineTV && \
+  install -d -m755 "/pkg/etc" && \
+  install -m644 "/etc/passwd" "/pkg/etc/passwd" &&\
+  install -m644 "/etc/group" "/pkg/etc/group" &&\
+  install -m640 -gshadow "/etc/shadow" "/pkg/etc/shadow" 
+
+
+FROM alpine
+COPY --from=Build /pkg /
+RUN apk --no-progress add py3-gunicorn
+USER chaineTV
+EXPOSE 5000
+WORKDIR /backend
+CMD /usr/bin/gunicorn --workers=4  -b :5000 run:app
+

Makefile

@@ -0,0 +1,6 @@
+DOCKER_ORGANIZATION := ducampsv
+DOCKER_IMAGE := chainetv
+DOCKER_TAG ?= base
+
+docker-build:
+	docker buildx build -t $(DOCKER_ORGANIZATION)/$(DOCKER_IMAGE):$(DOCKER_TAG) .