diff --git a/backoffice/Dockerfile b/backoffice/Dockerfile
index 8ca23a4..a3eda81 100644
--- a/backoffice/Dockerfile
+++ b/backoffice/Dockerfile
@@ -1,10 +1,12 @@
 # =============================================================================
-# GoHorse Backoffice - Optimized Dockerfile with pnpm + BuildKit caching
-# Target: < 200MB final image
+# GoHorse Backoffice - Ultra-Optimized Dockerfile with pnpm
+# Target: < 150MB final image, minimal disk usage during build
 # =============================================================================
 # syntax=docker/dockerfile:1
 
-# Stage 1: Base with pnpm (latest stable)
+# -----------------------------------------------------------------------------
+# Stage 1: Base with pnpm
+# -----------------------------------------------------------------------------
 FROM mirror.gcr.io/library/node:20-alpine AS base
 
 # Enable corepack and activate pnpm
@@ -13,69 +15,72 @@ RUN corepack enable && corepack prepare pnpm@latest --activate
 # libc6-compat for native module compatibility
 RUN apk add --no-cache libc6-compat
 
-# Set pnpm store location for caching
+# Set pnpm store for caching
 ENV PNPM_HOME="/pnpm"
 ENV PATH="$PNPM_HOME:$PATH"
 
-# =============================================================================
-# Stage 2: Install dependencies with BuildKit cache
-# =============================================================================
+# -----------------------------------------------------------------------------
+# Stage 2: Dependencies
+# -----------------------------------------------------------------------------
 FROM base AS deps
 WORKDIR /app
 
-# Copy only package files first (better layer caching)
+# Copy package files
 COPY package.json pnpm-lock.yaml ./
 
-# Use BuildKit cache mount for pnpm store - dramatically speeds up rebuilds
-RUN --mount=type=cache,id=pnpm,target=/pnpm/store \
-    pnpm install --frozen-lockfile
+# Install with cache mount - reutiliza entre builds
+RUN --mount=type=cache,id=pnpm-backoffice,target=/pnpm/store \
+    pnpm install --frozen-lockfile --prefer-offline
 
-# =============================================================================
-# Stage 3: Build application
-# =============================================================================
+# -----------------------------------------------------------------------------
+# Stage 3: Builder (memory-optimized)
+# -----------------------------------------------------------------------------
 FROM base AS builder
+
+# Reduce memory for build
+ENV NODE_OPTIONS="--max-old-space-size=384"
+
 WORKDIR /app
 
-# Copy dependencies from deps stage
+# Copy deps
 COPY --from=deps /app/node_modules ./node_modules
 
-# Copy source files
+# Copy source (selective, not COPY . .)
 COPY package.json pnpm-lock.yaml ./
 COPY tsconfig*.json nest-cli.json ./
 COPY src ./src
 
-# Build the NestJS application
-RUN pnpm build
+# Build and cleanup in same layer
+RUN pnpm build && \
+    rm -rf node_modules/.cache
 
-# Prune dev dependencies for smaller production image
-RUN --mount=type=cache,id=pnpm,target=/pnpm/store \
-    pnpm prune --prod
+# Prune dev deps with cache
+RUN --mount=type=cache,id=pnpm-backoffice,target=/pnpm/store \
+    pnpm prune --prod && \
+    pnpm store prune
 
-# =============================================================================
-# Stage 4: Production - Minimal runtime
-# =============================================================================
-FROM mirror.gcr.io/library/node:20-alpine AS production
+# -----------------------------------------------------------------------------
+# Stage 4: Production (minimal)
+# -----------------------------------------------------------------------------
+FROM mirror.gcr.io/library/node:20-alpine AS runner
 
-# Security: create non-root user
+# Security: non-root user
 RUN addgroup -g 1001 -S nodejs && \
     adduser -S nestjs -u 1001 -G nodejs
 
 WORKDIR /app
 
-# Copy only production artifacts (with proper ownership)
+# Copy only production artifacts
 COPY --from=builder --chown=nestjs:nodejs /app/dist ./dist
 COPY --from=builder --chown=nestjs:nodejs /app/node_modules ./node_modules
 COPY --from=builder --chown=nestjs:nodejs /app/package.json ./
 
-# Environment configuration
-ENV NODE_ENV=production
-ENV BACKOFFICE_PORT=3001
-ENV BACKOFFICE_HOST=0.0.0.0
+ENV NODE_ENV=production \
+    BACKOFFICE_PORT=3001 \
+    BACKOFFICE_HOST=0.0.0.0
 
-# Switch to non-root user for security
 USER nestjs
 
 EXPOSE 3001
 
-# Start application
 CMD ["node", "dist/main.js"]