chore: add deployment infrastructure

docker/docker-entrypoint.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+set -eu
+
+: "${BACKEND_UPSTREAM:?BACKEND_UPSTREAM is required (example: http://analytical-panel-backend:8000)}"
+
+BACKEND_UPSTREAM="${BACKEND_UPSTREAM%/}"
+export BACKEND_UPSTREAM
+
+envsubst '${BACKEND_UPSTREAM}' \
+  < /etc/nginx/templates/default.conf.template \
+  > /etc/nginx/conf.d/default.conf
+
+exec "$@"