add nginx service

nginx/Dockerfile

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+FROM nginx:latest
+
+COPY default.conf /tmp/nginx/default.conf
+
+COPY docker-entrypoint.sh /tmp/docker-entrypoint.sh
+RUN chmod 755 /tmp/docker-entrypoint.sh
+ENTRYPOINT [ "/tmp/docker-entrypoint.sh" ]
+
+CMD ["nginx", "-g", "daemon off;"]

nginx/default.conf

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+server {
+    listen      443 ssl;
+    server_name ${NGINX_HOST};
+
+	ssl_certificate /etc/ssl/certs/server.cert.pem;
+	ssl_certificate_key /etc/ssl/private/server.key.pem;
+
+    location / {
+        proxy_pass http://nextcloud:80;
+        proxy_headers_hash_max_size 512;
+		proxy_headers_hash_bucket_size 64;
+		proxy_set_header Host $host;
+		proxy_set_header X-Forwarded-Proto $scheme;
+		proxy_set_header X-Real-IP $remote_addr;
+		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+		add_header Front-End-Https on;
+        client_max_body_size 1G;
+    }
+}
+
+server {
+	if ($host = ${NGINX_HOST}) {
+		return 301 https://$host$request_uri;
+	}
+
+	listen 80;
+
+	server_name ${NGINX_HOST};
+}

nginx/docker-entrypoint.sh

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+#!/usr/bin/env sh
+set -eu
+
+envsubst '${NGINX_HOST}' < /tmp/nginx/default.conf > /etc/nginx/conf.d/default.conf
+
+exec "$@"