add docker and docker-compose

Dockerfile.dev

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+ARG NODE_VERSION=20
+ARG NODE_ENV=production
+
+FROM node:${NODE_VERSION}-alpine
+
+ARG UID=1000
+ARG GID=1000
+
+WORKDIR /server
+
+# Install dependencies for native modules
+RUN apk add --no-cache python3 make g++ git
+
+# Enable Corepack
+RUN corepack enable && corepack prepare yarn@3.2.1 --activate
+
+# Create non-root user (remove default node user if it conflicts)
+RUN deluser --remove-home node 2>/dev/null || true && \
+    addgroup -g ${GID} medusa && \
+    adduser -D -u ${UID} -G medusa medusa && \
+    chown medusa:medusa /server
+
+# Switch to non-root user
+USER medusa
+
+# Copy dependency files first for better caching
+COPY --chown=medusa:medusa package.json yarn.lock .yarnrc.yml ./
+COPY --chown=medusa:medusa .yarn .yarn
+COPY --chown=medusa:medusa packages packages
+
+# Install all dependencies (including devDependencies)
+RUN yarn install
+
+# Copy remaining files
+COPY --chown=medusa:medusa . .
+
+# Build packages
+RUN yarn build
+
+# Build draft-order plugin admin extensions
+RUN cd packages/plugins/draft-order && npx medusa plugin:build
+
+EXPOSE 9000 5173
+
+HEALTHCHECK --interval=30s --timeout=10s --start-period=120s --retries=3 \
+  CMD wget -q --spider http://localhost:9000/health || exit 1
+
+LABEL org.opencontainers.image.description="Medusa Commerce Platform (Dev)"
+
+ENTRYPOINT []
+CMD ["./start.sh"]