Add Keep-Me-Signed-In, movie release dates, and lint cleanup (#1)

Reviewed-on: #1

docker/40-render-config.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+# Render /config.js from the env var API_URL at container start.
+# Runs as part of the official nginx:alpine /docker-entrypoint.d sequence,
+# so nginx itself is launched by the upstream entrypoint after this script.
+set -e
+: "${API_URL:=/api/v1}"
+export API_URL
+envsubst < /etc/nginx/templates/config.js.template > /usr/share/nginx/html/config.js
+echo "[config] API_URL=${API_URL} -> /config.js"

docker/config.js.template

@@ -0,0 +1 @@
+window.__APP_CONFIG__ = { apiUrl: "${API_URL}" };