diff --git a/Dockerfile b/Dockerfile
index ad95629..d49db1b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,10 @@
-FROM node:18-alpine AS build
+FROM node:20-alpine AS build
 WORKDIR /app
-ENV NODE_ENV=production
 
-# Install dependencies
+# Install dependencies (include devDependencies for the build)
 COPY package*.json ./
+# Ensure devDependencies are installed during the build
+ENV NODE_ENV=development
 RUN npm ci --silent
 
 # Copy source and build
@@ -11,6 +12,8 @@ COPY . .
 RUN npm run build
 
 FROM nginx:stable-alpine AS production
+WORKDIR /usr/share/nginx/html
+# Copy built files from the build stage
 COPY --from=build /app/dist /usr/share/nginx/html
 COPY nginx.conf /etc/nginx/conf.d/default.conf
 EXPOSE 80 443
diff --git a/vite-env.d.ts b/vite-env.d.ts
new file mode 100644
index 0000000..2ca9e4a
--- /dev/null
+++ b/vite-env.d.ts
@@ -0,0 +1,24 @@
+/// <reference types="vite/client" />
+
+declare module '*.css';
+declare module '*.scss';
+declare module '*.png';
+declare module '*.jpg';
+declare module '*.jpeg';
+declare module '*.svg';
+declare module '*.mjs';
+declare module 'pdfjs-dist/build/pdf.worker.mjs?url';
+
+interface ImportMetaEnv {
+  readonly VITE_API_URL?: string;
+  readonly VITE_LINK_TO_GITHUB?: string;
+  readonly VITE_LINK_TO_LINKEDIN?: string;
+  readonly VITE_IP_Server?: string;
+  readonly VITE_MAIL?: string;
+  readonly VITE_NAME?: string;
+  // add other env vars here as needed
+}
+
+interface ImportMeta {
+  readonly env: ImportMetaEnv;
+}