Dockerfile Optimisations, Security Header issue fixed, SQLite databas…

Dockerfile

@@ -16,26 +16,33 @@ COPY static/ static/
 
 RUN npm run build
 
-# Production stage — minimal runtime with native module support
+# Production stage — minimal runtime
 FROM node:22-slim
 
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    python3 make g++ && rm -rf /var/lib/apt/lists/*
-
 WORKDIR /app
 
 COPY package.json package-lock.json ./
-RUN npm ci --omit=dev
-
-RUN apt-get remove -y python3 make g++ && apt-get autoremove -y && rm -rf /var/lib/apt/lists/*
-
+COPY --from=builder /app/node_modules node_modules/
 COPY --from=builder /app/build build/
 
 RUN mkdir -p /app/data/viirs /app/data/gan
 
+# Handle bind mount creating a directory when SQLite file does not exist.
+# Docker bind mounts a non-existent file as a directory, which breaks better-sqlite3.
+# This entrypoint script checks and fixes the mismatch before starting.
+RUN printf '#!/bin/sh\n\
+DB_PATH="/app/duskmeter.sqlite"\n\
+if [ -d "$DB_PATH" ]; then\n\
+  rmdir "$DB_PATH" 2>/dev/null && touch "$DB_PATH"\n\
+fi\n\
+if [ ! -e "$DB_PATH" ]; then\n\
+  touch "$DB_PATH"\n\
+fi\n\
+exec node build/index.js\n' > /entrypoint.sh && chmod +x /entrypoint.sh
+
 ENV NODE_ENV=production
 ENV PORT=3000
 
 EXPOSE 3000
 
-CMD ["node", "build"]
+ENTRYPOINT ["/entrypoint.sh"]

docker-compose.yml

@@ -16,4 +16,6 @@ services:
       - ./data/viirs:/app/data/viirs
       - ./data/gan:/app/data/gan
       - ./duskmeter.sqlite:/app/duskmeter.sqlite
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
     restart: unless-stopped

src/hooks.server.ts

@@ -100,8 +100,8 @@ export const handle: Handle = async ({ event, resolve }) => {
 
   const csp = [
     "default-src 'self'",
-    "script-src 'self'",
-    "style-src 'self' 'unsafe-inline'",
+    "script-src 'self' 'unsafe-inline'",
+    "style-src 'self' 'unsafe-inline' https://fonts.googleapis.com",
     "img-src 'self' data: https:",
     "font-src 'self' https://fonts.gstatic.com",
     "connect-src 'self' https://fonts.googleapis.com",

src/lib/server/scheduler.ts

@@ -4,6 +4,7 @@ import db from "./db";
 import { logger } from "./logger";
 
 let timer: NodeJS.Timeout | null = null;
+let currentLockId: string | null = null;
 
 const LOCK_KEY = "scheduler_lock";
 const LOCK_TTL_MS = 30 * 60 * 1000;
@@ -60,6 +61,7 @@ async function runScheduledTasks() {
     logger.info("scheduler", "skipped: lock held by another instance");
     return;
   }
+  currentLockId = lockId;
 
   logger.info("scheduler", "running assessment + alert check", { instanceId: lockId });
   try {
@@ -70,5 +72,13 @@ async function runScheduledTasks() {
     logger.error("scheduler", e, { instanceId: lockId });
   } finally {
     releaseLock(lockId);
+    currentLockId = null;
   }
 }
+
+process.on("sveltekit:shutdown", () => {
+  if (currentLockId) {
+    releaseLock(currentLockId);
+    currentLockId = null;
+  }
+});