ui - automated build

ui/Dockerfile-arm32v7

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+FROM alpine AS builder
+
+ENV QEMU_URL https://github.com/balena-io/qemu/releases/download/v4.0.0%2Bbalena2/qemu-4.0.0.balena2-arm.tar.gz
+RUN apk add curl && curl -L ${QEMU_URL} | tar zxvf - -C . --strip-components 1
+
+FROM arm32v7/alpine
+
+COPY --from=builder qemu-arm-static /usr/bin
+
+RUN apk add py3-pip apache2-utils bash && \
+    pip3 install docker flask && \
+    mkdir /opt/entrypoint && \
+    mkdir -p /opt/confs/site
+
+COPY confs/site/ /opt/confs/site
+COPY entrypoint/* /opt/entrypoint/
+COPY ui/ /opt/entrypoint/
+RUN chmod +x /opt/entrypoint/*.py /opt/entrypoint/*.sh
+
+VOLUME /etc/nginx
+
+EXPOSE 5000
+
+WORKDIR /opt/entrypoint
+ENV FLASK_APP entrypoint.py
+ENTRYPOINT ["/usr/bin/python3", "-m", "flask", "run", "--host=0.0.0.0"]