Add LSP Dockerfiles for bash, docker, and marksman

- bash-language-server: Prebuilt npm package (190MB)
- docker-language-server: Multi-stage Go build (49.2MB)
- marksman: Debian with libicu72 for .NET runtime (144MB)
- All configured for Crush via stdio communication

dockerfiles/bash-language-server/Dockerfile

@@ -2,12 +2,9 @@ FROM node:22-alpine
 
 WORKDIR /app
 
-COPY package.json package-lock.json* ./
+# Install prebuilt bash-language-server from npm
+RUN npm install -g bash-language-server
 
-RUN npm ci
-
-COPY . .
-
-RUN npm run build
-
-CMD ["node", "dist/index.js"]
+# Set entrypoint
+ENTRYPOINT ["bash-language-server"]
+CMD ["start"]

dockerfiles/docker-language-server/Dockerfile

@@ -0,0 +1,32 @@
+# syntax=docker/dockerfile:1
+
+ARG GO_VERSION="1.25"
+ARG ALPINE_VERSION="3.22"
+
+FROM golang:${GO_VERSION}-alpine${ALPINE_VERSION} AS builder
+
+WORKDIR /src
+
+# Copy go files
+COPY go.mod go.sum ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build of binary
+RUN CGO_ENABLED=0 GOOS=linux go build -o docker-language-server ./cmd/docker-language-server
+
+# Runtime stage
+FROM alpine:${ALPINE_VERSION}
+
+WORKDIR /app
+
+# Copy binary from builder
+COPY --from=builder /src/docker-language-server /usr/local/bin/
+
+# Set entrypoint to run LSP server
+ENTRYPOINT ["docker-language-server"]
+CMD ["start", "--stdio"]

dockerfiles/marksman/Dockerfile

@@ -0,0 +1,14 @@
+FROM debian:bookworm-slim
+
+WORKDIR /app
+
+# Install dependencies (wget and icu-libs for marksman)
+RUN apt-get update && apt-get install -y wget libicu72 && \
+    wget -O /usr/local/bin/marksman \
+    https://github.com/artempyanykh/marksman/releases/download/2025-12-13/marksman-linux-x64 \
+    && chmod +x /usr/local/bin/marksman && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Set entrypoint to run LSP server
+ENTRYPOINT ["marksman"]
+CMD ["server"]