fix: add retry loop for database connection in entrypoint

apps/api/Dockerfile

@@ -20,11 +20,21 @@ RUN pnpm install --frozen-lockfile
 FROM installer AS builder
 COPY --from=pruner /app/out/full/ .
 COPY tsconfig.base.json ./
+
+# Generate Prisma client
 RUN pnpm exec prisma generate --schema=apps/api/prisma/schema.prisma
-# Build internal workspace packages that api depends on first
-RUN pnpm turbo build --filter=@tower/config --filter=@tower/logger --filter=@tower/search --filter=@tower/types
-# Build the api itself using nest CLI directly from the package directory
-RUN cd apps/api && pnpm exec nest build
+
+# Build internal workspace packages that api depends on (in dependency order)
+RUN pnpm --filter @tower/types run build
+RUN pnpm --filter @tower/config run build
+RUN pnpm --filter @tower/logger run build
+RUN pnpm --filter @tower/search run build
+
+# Build the API via its package script (runs nest build from apps/api/)
+RUN pnpm --filter @tower/api run build
+
+# Hard verify: fail the Docker build if dist wasn't produced
+RUN test -f apps/api/dist/main.js || (echo "ERROR: apps/api/dist/main.js not found after build!" && exit 1)
 
 # ─── Production runner ───
 FROM node:22-alpine AS runner