MCP Multi-Language Sandbox

FROM golang:1.21-alpine # Install build tools RUN apk add --no-cache git gcc musl-dev # Pre-install common Go packages RUN go install github.com/gorilla/mux@latest && \ go install github.com/stretchr/testify@latest && \ go install github.com/spf13/cobra@latest # Create non-root user RUN adduser -D -u 1000 -s /bin/sh sandbox # Create workspace with proper permissions RUN mkdir -p /workspace && \ chown -R sandbox:sandbox /workspace # Set up Go cache directory RUN mkdir -p /go/pkg/mod && \ chown -R sandbox:sandbox /go WORKDIR /workspace USER sandbox CMD ["go"]