ci: set dockerfile back for dev

Author: andrewthetechie

Dockerfile

@@ -1,3 +1,17 @@
-# This file is generated from Docker/ActionDockerfile.j2 as part of the release ci
-# Don't modify it directly
-FROM andrewthetechie/gha-repo-manager:v1.2.0
+# Distroless runs python 3.9.2
+FROM python:3.9.2-slim AS builder
+ADD Docker/builder/rootfs /
+ADD repo_manager /app/repo_manager
+ADD main.py /app/main.py
+WORKDIR /app
+
+# We are installing a dependency here directly into our app source dir
+RUN pip install --target=/app -r /requirements.txt
+
+# A distroless container image with Python and some basics like SSL certificates
+# https://github.com/GoogleContainerTools/distroless
+FROM gcr.io/distroless/python3
+COPY --from=builder /app /app
+WORKDIR /app
+ENV PYTHONPATH /app
+CMD ["/app/main.py"]