improve docker build

Dockerfile

@@ -1,46 +1,35 @@
-# Stage 1: build
-FROM node:22-slim AS builder
+FROM node:22-slim
 
 WORKDIR /fredy
 
 # Install Chromium without extra recommended packages and clean apt cache
-RUN apt-get update && apt-get install -y --no-install-recommends chromium \
- && rm -rf /var/lib/apt/lists/*
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends chromium \
+  && rm -rf /var/lib/apt/lists/*
 
 ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true \
     PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium
 
-# Copy manifest for better cache usage
+# Copy lockfiles first to leverage cache for dependencies
 COPY package.json yarn.lock ./
 
-# Increase yarn timeout, install deps and pm2 globally
+# Set Yarn timeout, install dependencies and PM2 globally
 RUN yarn config set network-timeout 600000 \
- && yarn install --frozen-lockfile \
- && yarn global add pm2
+  && yarn install --frozen-lockfile \
+  && yarn global add pm2
 
-# Copy app sources and build production assets
-COPY . .
+# Copy application source and build production assets
+COPY . ./
 RUN yarn run prod
 
-# Stage 2: runtime
-FROM node:22-slim AS runner
-
-WORKDIR /fredy
-
-# Copy entire build directory from builder instead of individual folders
-COPY --from=builder /fredy /fredy
-# Copy Chromium executable
-COPY --from=builder /usr/bin/chromium /usr/bin/chromium
-
-# Create non-root user, prepare volumes and permissions
-RUN groupadd -r app && useradd -r -g app app \
- && mkdir /db /conf \
- && chown app:app /db /conf \
- && chmod 777 /db /conf
-
-USER app
+# Prepare runtime directories and symlinks for data and config
+RUN mkdir -p /db /conf \
+  && chown 1000:1000 /db /conf \
+  && chmod 777 /db /conf \
+  && ln -s /db /fredy/db \
+  && ln -s /conf /fredy/conf
 
 EXPOSE 9998
 
-# Run with pm2-runtime for proper process management
-CMD ["pm2-runtime", "index.js"]
+# Start application using PM2 runtime
+CMD ["pm2-runtime", "index.js"]