Fix build issues with Coolify deployment

docker-compose.yml

@@ -25,6 +25,8 @@ services:
     build:
       context: .
       dockerfile: webapp/Dockerfile
+      args:
+        - DB_URI=${DB_URI}
     container_name: infinity-webapp
     restart: always
     depends_on:

webapp/Dockerfile

@@ -10,11 +10,23 @@ WORKDIR /app
 COPY --from=deps /app/node_modules ./node_modules
 COPY webapp .
 
+# Set build-time environment variables with defaults
+ARG DB_URI
+ENV DB_URI=$DB_URI
+
 # Next.js collects completely anonymous telemetry data about general usage.
-# Learn more here: https://nextjs.org/telemetry
 ENV NEXT_TELEMETRY_DISABLED 1
 
-RUN npm run build
+# Disable Next.js static optimization during build
+ENV NEXT_TELEMETRY_DISABLED 1
+ENV NEXT_SHARP_PATH /tmp/node_modules/sharp
+
+# If DB_URI is not set, use a dummy value for build
+RUN if [ -z "$DB_URI" ]; then \
+      echo "DB_URI not set, using dummy value for build"; \
+      export DB_URI="mongodb://dummy:password@localhost:27017/dummy"; \
+    fi && \
+    npm run build
 
 # Production image, copy all the files and run next
 FROM node:18-alpine AS runner
@@ -29,7 +41,6 @@ RUN adduser --system --uid 1001 nextjs
 COPY --from=builder /app/public ./public
 
 # Automatically leverage output traces to reduce image size
-# https://nextjs.org/docs/advanced-features/output-file-tracing
 COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
 COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
 
@@ -40,4 +51,5 @@ EXPOSE 3000
 ENV PORT 3000
 ENV HOSTNAME "0.0.0.0"
 
+# Use the runtime environment variables
 CMD ["node", "server.js"]