Move NODE_OPTIONS before npm ci and bump pod memory to 4Gi

npm ci can also OOM during dependency installation. Move the heap
limit before npm ci so it applies to all Node processes. Bump Drone
pod limits to 4Gi (requests 2Gi) to cover Docker-in-Docker overhead.

.drone.yml

@@ -25,9 +25,9 @@ steps:
     image: plugins/docker
     resources:
       requests:
-        memory: 1610612736
+        memory: 2147483648
       limits:
-        memory: 3221225472
+        memory: 4294967296
     settings:
       username: viktorbarzin
       password:
@@ -45,9 +45,9 @@ steps:
     image: plugins/docker
     resources:
       requests:
-        memory: 1610612736
+        memory: 2147483648
       limits:
-        memory: 3221225472
+        memory: 4294967296
     settings:
       username: viktorbarzin
       password:

frontend/Dockerfile

@@ -3,17 +3,17 @@ FROM node:24-alpine AS builder
 
 WORKDIR /app
 
+# Limit Node.js heap to avoid OOM in constrained CI environments
+ENV NODE_OPTIONS="--max-old-space-size=1024"
+
 # Copy package files first for better caching
 COPY package.json package-lock.json* ./
 
-# Install dependencies (prefers yarn if available)
 RUN npm ci
 
 # Copy all files and build
 COPY . .
 
-# Limit Node.js heap to avoid OOM in constrained CI environments
-ENV NODE_OPTIONS="--max-old-space-size=1024"
 # Skip tsc type-checking (already done in test step); Vite transpiles via SWC
 RUN npx vite build