Kyle Isom
f9635578e0
Replace the CoreDNS precursor with a purpose-built authoritative DNS server. Zones and records (A, AAAA, CNAME) are stored in SQLite and managed via synchronized gRPC + REST APIs authenticated through MCIAS. Non-authoritative queries are forwarded to upstream resolvers with in-memory caching. Key components: - DNS server (miekg/dns) with authoritative zone handling and forwarding - gRPC + REST management APIs with MCIAS auth (mcdsl integration) - SQLite storage with CNAME exclusivity enforcement and auto SOA serials - 30 tests covering database CRUD, DNS resolution, and caching Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
24 lines
480 B
Docker
24 lines
480 B
Docker
FROM golang:1.25-alpine AS builder
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ARG VERSION=dev
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RUN apk add --no-cache git
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WORKDIR /build
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COPY go.mod go.sum ./
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RUN go mod download
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COPY . .
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RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w -X main.version=${VERSION}" -o mcns ./cmd/mcns
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FROM alpine:3.21
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RUN addgroup -S mcns && adduser -S mcns -G mcns
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COPY --from=builder /build/mcns /usr/local/bin/mcns
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USER mcns
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EXPOSE 53/udp 53/tcp 8443 9443
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ENTRYPOINT ["mcns"]
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CMD ["server", "--config", "/srv/mcns/mcns.toml"]
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