Add Docker configuration and entrypoint script for Nginx web service

docker-compose.yml

@@ -0,0 +1,8 @@
+services:
+  web:
+    image: nginx:alpine
+    ports:
+      - "45554:80"
+    volumes:
+      - ./entrypoint.sh:/entrypoint.sh:ro
+    entrypoint: ["/bin/sh", "/entrypoint.sh"]

entrypoint.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+set -e
+
+WEBROOT="/usr/share/nginx/html"
+GITEA_URL="https://gitea.reversed.dev"
+GITEA_REPO="space/time-until"
+
+echo "Fetching latest release"
+
+RELEASE_JSON=$(wget -qO- \
+  "$GITEA_URL/api/v1/repos/$GITEA_REPO/releases/latest")
+
+ASSET_URL=$(echo "$RELEASE_JSON" | sed -n 's/.*"browser_download_url" *: *"\([^"]*dist\.zip[^"]*\)".*/\1/p' | head -1)
+
+if [ -z "$ASSET_URL" ]; then
+  echo "ERROR: No dist.zip found in latest release"
+  exit 1
+fi
+
+echo "Downloading $ASSET_URL ..."
+wget -qO /tmp/dist.zip --header="$AUTH_HEADER" "$ASSET_URL"
+
+echo "Extracting to $WEBROOT ..."
+rm -rf "${WEBROOT:?}"/*
+unzip -o /tmp/dist.zip -d "$WEBROOT"
+rm /tmp/dist.zip
+
+echo "Starting nginx ..."
+exec nginx -g "daemon off;"