feat: add Docker Compose setup with Dockerfiles for all services

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/mcp/Dockerfile

@@ -0,0 +1,35 @@
+FROM node:20-alpine AS base
+RUN corepack enable && corepack prepare pnpm@latest --activate
+WORKDIR /app
+
+FROM base AS deps
+COPY pnpm-lock.yaml pnpm-workspace.yaml package.json ./
+COPY packages/shared/package.json packages/shared/
+COPY packages/mcp/package.json packages/mcp/
+COPY prisma/ prisma/
+RUN pnpm install --frozen-lockfile
+
+FROM base AS build
+COPY --from=deps /app/ ./
+COPY packages/shared/ packages/shared/
+COPY packages/mcp/ packages/mcp/
+COPY prisma/ prisma/
+COPY tsconfig.base.json ./
+RUN npx prisma generate --schema=prisma/schema.prisma
+RUN pnpm --filter @agent-fox/shared build
+RUN pnpm --filter @agent-fox/mcp build
+
+FROM node:20-alpine AS runtime
+WORKDIR /app
+COPY --from=build /app/node_modules ./node_modules
+COPY --from=build /app/packages/shared/dist ./packages/shared/dist
+COPY --from=build /app/packages/shared/node_modules ./packages/shared/node_modules
+COPY --from=build /app/packages/shared/package.json ./packages/shared/
+COPY --from=build /app/packages/mcp/dist ./packages/mcp/dist
+COPY --from=build /app/packages/mcp/node_modules ./packages/mcp/node_modules
+COPY --from=build /app/packages/mcp/package.json ./packages/mcp/
+COPY --from=build /app/prisma ./prisma
+
+WORKDIR /app/packages/mcp
+EXPOSE 3001
+CMD ["node", "dist/index.js"]