fix(web): build from monorepo context

apps/web/Dockerfile

@@ -12,15 +12,12 @@ ENV NEXT_PUBLIC_POSTHOG_KEY=$NEXT_PUBLIC_POSTHOG_KEY
 ENV NEXT_PUBLIC_POSTHOG_HOST=$NEXT_PUBLIC_POSTHOG_HOST
 ENV NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL
 
-# Install dependencies
-COPY package*.json ./
-RUN npm ci
-
-# Copy source code
-COPY . .
-
-# Build the application
-RUN npm run build
+# Install dependencies from the committed monorepo lockfile.
+COPY . .
+RUN npm ci
+
+# Build the web workspace from the repository root.
+RUN npm run build -w @sauci/web
 
 # Production stage
 FROM node:20-alpine AS runner
@@ -37,10 +34,11 @@ RUN apk add --no-cache curl
 RUN addgroup --system --gid 1001 nodejs
 RUN adduser --system --uid 1001 nextjs
 
-# Copy built assets from builder
-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
+# Next preserves the workspace path in standalone output. Keep that layout so
+# the generated server can resolve its .next directory and public assets.
+COPY --from=builder --chown=nextjs:nodejs /app/apps/web/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/apps/web/public ./apps/web/public
+COPY --from=builder --chown=nextjs:nodejs /app/apps/web/.next/static ./apps/web/.next/static
 
 USER nextjs
 
@@ -49,4 +47,4 @@ EXPOSE 3000
 ENV PORT=3000
 ENV HOSTNAME="0.0.0.0"
 
-CMD ["node", "server.js"]
+CMD ["node", "apps/web/server.js"]

apps/web/docker-compose.prod.yml

@@ -2,9 +2,9 @@ version: '3.8'
 
 services:
   web:
-    build:
-      context: .
-      dockerfile: Dockerfile
+    build:
+      context: ../..
+      dockerfile: apps/web/Dockerfile
       args:
         - NEXT_PUBLIC_POSTHOG_KEY=${NEXT_PUBLIC_POSTHOG_KEY}
         - NEXT_PUBLIC_POSTHOG_HOST=${NEXT_PUBLIC_POSTHOG_HOST:-https://eu.i.posthog.com}