created dockerfile for proxy

proxy/Dockerfile

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+FROM nginxinc/nginx-unprivileged:1-alpine
+LABEL maintainer="[email protected]"
+
+COPY ./default.conf.tpl /etc/nginx/default.conf.tpl
+COPY ./uwsgi_params /etc/nginx/uwsgi_params
+COPY ./run.sh /run.sh
+
+ENV LISTEN_PORT=8000
+ENV APP_HOST=app
+ENV APP_PORT=9000
+
+USER root
+
+RUN mkdir -p /vol/static && \
+    chmod 755 /vol/static && \
+    touch /etc/nginx/conf.d/default.conf && \
+    chown nginx:nginx /etc/nginx/conf.d/default.conf && \
+    chmod +x /run.sh
+
+VOLUME /vol/static
+
+USER nginx
+
+CMD ["/run.sh"]

proxy/default.conf.tpl

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+server {
+    listen $(LISTEN_PORT};
+
+    location /static {
+        alias /vol/static;
+    }
+
+    location / {
+        uwsgi_pass           ${APP_HOST}:${APP_PORT};
+        include              /etc/nginx/uwsgi_params;
+        client_max_body_size 10M;
+    }
+}

proxy/run.sh

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+#!/bin/sh
+
+set -e
+
+envsubst < /etc/nginx/default.conf.tpl > /etc/nginx/conf.d/default.conf
+nginx -g 'daemon off;'

proxy/uwsgi_params

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+uwsgi_param QUERY_STRING $query_string;
+uwsgi_param REQUEST_METHOD $request_method;
+uwsgi_param CONTENT_TYPE $content_type;
+uwsgi_param CONTENT_LENGTH $content_length;
+uwsgi_param REQUEST_URI $request_uri;
+uwsgi_param PATH_INFO $document_uri;
+uwsgi_param DOCUMENT_ROOT $document_root;
+uwsgi_param SERVER_PROTOCOL $server_protocol;
+uwsgi_param REMOTE_ADDR $remote_addr;
+uwsgi_param REMOTE_PORT $remote_port;
+uwsgi_param SERVER_ADDR $server_addr;
+uwsgi_param SERVER_PORT $server_port;
+uwsgi_param SERVER_NAME $server_name;