diff --git a/Dockerfile b/Dockerfile
index 88e2dbe..910bf08 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,3 @@
-ARG GUI_VERSION=dev
 FROM node:18-alpine AS base
 
 # Install dependencies only when needed
@@ -19,6 +18,7 @@ RUN \
 
 # Rebuild the source code only when needed
 FROM base AS builder
+ARG GUI_VERSION=dev
 WORKDIR /app
 COPY --from=deps /app/node_modules ./node_modules
 COPY . .
@@ -26,7 +26,7 @@ COPY . .
 # Next.js collects completely anonymous telemetry data about general usage.
 # Learn more here: https://nextjs.org/telemetry
 # Uncomment the following line in case you want to disable telemetry during the build.
-ENV NEXT_TELEMETRY_DISABLED 1
+ENV NEXT_TELEMETRY_DISABLED=1
 
 RUN echo ${GUI_VERSION} > /app/gui-version.txt
 RUN npm run build
@@ -35,9 +35,9 @@ RUN npm run build
 FROM base AS runner
 WORKDIR /app
 
-ENV NODE_ENV production
+ENV NODE_ENV=production
 # Uncomment the following line in case you want to disable telemetry during runtime.
-ENV NEXT_TELEMETRY_DISABLED 1
+ENV NEXT_TELEMETRY_DISABLED=1
 
 RUN addgroup --system --gid 1001 nodejs
 RUN adduser --system --uid 1001 nextjs
@@ -49,11 +49,10 @@ COPY --from=builder /app/public ./public
 COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
 COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
 COPY --from=builder /app/gui-version.txt ./
-
 USER nextjs
 
 EXPOSE 3000
 
-ENV PORT 3000
+ENV PORT=3000
 
 CMD ["node", "server.js"]
\ No newline at end of file