Update Dockerfile

Dockerfile

@@ -1,45 +1,32 @@
-# syntax = docker/dockerfile:1
+# ---- Build stage ----
+FROM node:22-alpine AS build
 
-# Adjust NODE_VERSION as desired
-ARG NODE_VERSION=22.13.1
-FROM node:${NODE_VERSION}-slim AS base
-
-LABEL fly_launch_runtime="Vite"
-
-# Vite app lives here
 WORKDIR /app
 
-# Set production environment
+# Safety valve for the 2 GB host: without a cap a runaway build can exhaust the
-ENV NODE_ENV="production"
+# server's RAM and take down neighbouring containers. Measured peak for this app
+# is ~550 MB, so 1 GB leaves headroom while still failing the build rather than
+# the server. Raise this only if the host gets more RAM.
+ENV NODE_OPTIONS=--max-old-space-size=1024
 
+# Install deps from the lockfile first so this layer is reused when only src changes
+COPY package.json package-lock.json ./
+RUN npm ci --no-audit --no-fund
 
-# Throw-away build stage to reduce size of final image
-FROM base AS build
-
-# Install packages needed to build node modules
-RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y build-essential node-gyp pkg-config python-is-python3
-
-# Install node modules
-COPY package-lock.json package.json ./
-RUN npm ci --include=dev
-
-# Copy application code
 COPY . .
-
-# Build application
 RUN npm run build
 
-# Remove development dependencies
+# ---- Runtime stage ----
-RUN npm prune --omit=dev
+FROM nginx:alpine
 
+# Remove Nginx's default "Welcome" page files completely
+RUN rm -rf /usr/share/nginx/html/*
 
-# Final stage for app image
+# Only the compiled assets reach the final image — no node_modules, no source
-FROM nginx
-
-# Copy built application
 COPY --from=build /app/dist /usr/share/nginx/html
 
-# Start the server by default, this can be overwritten at runtime
+COPY nginx.conf /etc/nginx/nginx.conf
+
 EXPOSE 80 3000
-CMD [ "/usr/sbin/nginx", "-g", "daemon off;" ]
+
+CMD ["nginx", "-g", "daemon off;"]