Add Dockerfile for Glama MCP server checks

.dockerignore

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+# Keep the build context small and force a clean rebuild of dist/.
+**/node_modules
+**/dist
+apps
+.git

Dockerfile

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+# syntax=docker/dockerfile:1
+
+# ─── Build stage ─────────────────────────────────────────────────────────────
+# Builds only the three workspace packages the MCP server needs, in dependency
+# order (platform → api → mcp). Deliberately skips apps/* (Electron/Monaco),
+# which the MCP server does not use — keeps the build small and reliable.
+FROM node:22-bookworm-slim AS build
+WORKDIR /app
+
+# CI=true turns each package's `prepare` script into a no-op, so `npm install`
+# never triggers an out-of-order build. We build explicitly, in order, below.
+ENV CI=true
+
+# Minimal workspace root — only packages/*, never apps/*.
+RUN printf '{"name":"rds-mcp-build","private":true,"workspaces":["packages/*"]}\n' > package.json
+
+# Each package's tsconfig extends ../../tsconfig.base.json.
+COPY tsconfig.base.json ./
+
+# Only the three packages in the dependency graph.
+COPY packages/roku-dev-studio-platform/ packages/roku-dev-studio-platform/
+COPY packages/roku-dev-studio-api/       packages/roku-dev-studio-api/
+COPY packages/roku-dev-studio-mcp/       packages/roku-dev-studio-mcp/
+
+# Installs deps for all three workspaces; inter-workspace deps link locally.
+RUN npm install
+
+# esbuild bundles api + platform (and the prose .md files) into a single,
+# self-contained dist/index.cjs for the MCP server.
+RUN npm run build --workspace roku-dev-studio-platform \
+ && npm run build --workspace roku-dev-studio-api \
+ && npm run build --workspace roku-dev-studio-mcp
+
+# ─── Runtime stage ───────────────────────────────────────────────────────────
+# The bundle inlines every dependency, so the runtime image needs nothing but
+# Node and the single .cjs file.
+FROM node:22-bookworm-slim AS runtime
+WORKDIR /app
+COPY --from=build /app/packages/roku-dev-studio-mcp/dist/index.cjs ./index.cjs
+
+# Speaks MCP (JSON-RPC 2.0) over stdio. Glama's introspection driver connects
+# here; initialize / tools|resources|prompts.list are answered with no Roku
+# device, desktop app, or bridge socket present.
+ENTRYPOINT ["node", "/app/index.cjs"]