Sort-of-working flask runtime

runtimes/flask/Dockerfile.j2

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+FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine as build
+
+RUN apk update && apk upgrade && apk add python3 gcc musl-dev linux-headers python3-dev {{ ship_packages | join(" ") }} {{ devel_packages | join(" ") }} && apk cache clean
+
+WORKDIR /home/app
+
+COPY requirements.txt *.py ./
+RUN python3 -m venv venv
+RUN venv/bin/pip install uwsgi
+RUN venv/bin/pip install -r requirements.txt
+
+FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine as ship
+RUN apk update && apk upgrade && apk add python3 uwsgi curl {{ ship_packages | join " " }} && apk cache clean
+RUN addgroup -S app && adduser app -S -G app
+
+WORKDIR /home/app
+USER app
+
+COPY --from=build /home/app/  .
+
+CMD ["venv/bin/uwsgi", "--http", "0.0.0.0:3000", "--master", "-p", "4", "-w", "funko:app"]
+HEALTHCHECK {{ healthcheck_options }}  CMD {{ healthcheck_command }}

runtimes/flask/main.py

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+from flask import Flask
+
+app = Flask({{name}})
+
+if __name__ == '__main__':
+    serve(app, host='0.0.0.0', port=5000)

runtimes/flask/template/funko.py.j2

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+from flask import Flask
+
+app = Flask("{{name}}")
+
+@app.route('/')
+def handle(req):
+    return "Hello World from Flask!"

runtimes/flask/template/funko.yml.j2

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+name: {{ name }}
+runtime: {{ runtime }}

runtimes/flask/template/requirements.txt

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+flask