fix(backoffice): simplify Dockerfile for proper source code copying

backoffice/Dockerfile

@@ -8,35 +8,28 @@ FROM node:20-alpine AS base
 RUN corepack enable && corepack prepare pnpm@9.15.4 --activate
 RUN apk add --no-cache libc6-compat
 
-# Stage 2: Fetch dependencies (better cache utilization)
+# Stage 2: Install dependencies
 FROM base AS deps
 WORKDIR /app
-COPY pnpm-lock.yaml ./
+COPY package.json pnpm-lock.yaml ./
-RUN pnpm fetch
+RUN pnpm install --frozen-lockfile
 
 # Stage 3: Build
 FROM base AS builder
 WORKDIR /app
-
-# Copy lockfile and fetch cache
-COPY pnpm-lock.yaml ./
 COPY --from=deps /app/node_modules ./node_modules
+COPY package.json pnpm-lock.yaml ./
+COPY tsconfig*.json nest-cli.json ./
+COPY src ./src
 
-# Copy package files and install
+# Build the application
-COPY package.json ./
-RUN pnpm install --frozen-lockfile --offline
-
-# Copy source and build
-COPY . .
 RUN pnpm build
 
-# Prune dev dependencies
+# Prune dev dependencies for production
-RUN pnpm prune --prod && \
+RUN pnpm prune --prod
-  pnpm store prune && \
-  rm -rf /root/.local/share/pnpm/store
 
 # =============================================================================
-# Stage 4: Production - Minimal runtime (Distroless alternative: Alpine)
+# Stage 4: Production - Minimal runtime
 # =============================================================================
 FROM node:20-alpine AS production
 
@@ -51,18 +44,6 @@ 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 ./
 
-# Remove unnecessary files to reduce size
-RUN find node_modules -name "*.md" -delete 2>/dev/null || true && \
-  find node_modules -name "*.d.ts" -delete 2>/dev/null || true && \
-  find node_modules -name "CHANGELOG*" -delete 2>/dev/null || true && \
-  find node_modules -name "LICENSE*" -delete 2>/dev/null || true && \
-  find node_modules -name "*.map" -delete 2>/dev/null || true && \
-  find node_modules -type d -name "test" -exec rm -rf {} + 2>/dev/null || true && \
-  find node_modules -type d -name "tests" -exec rm -rf {} + 2>/dev/null || true && \
-  find node_modules -type d -name "__tests__" -exec rm -rf {} + 2>/dev/null || true && \
-  find node_modules -type d -name "docs" -exec rm -rf {} + 2>/dev/null || true && \
-  rm -rf /tmp/* /var/cache/apk/*
-
 # Environment
 ENV NODE_ENV=production
 ENV BACKOFFICE_PORT=3001