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UNITRONIX
87 lines
2.9 KiB
Docker
87 lines
2.9 KiB
Docker
# Dockerfile for BetterDesk Server (Go)
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# Multi-stage build: compile from source, then copy to minimal runtime image
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#
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# The BetterDesk server is a single binary that replaces both hbbs and hbbr.
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# It provides: signal (UDP/TCP/WS), relay (TCP/WS), HTTP API, admin console.
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#
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# Build: docker build -f Dockerfile.server -t betterdesk-server:local .
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# ---- Build stage ----
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FROM golang:1.25-alpine AS builder
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RUN apk add --no-cache git || { sleep 2 && apk add --no-cache git; }
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WORKDIR /src
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# Copy Go module files first (cache dependencies)
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COPY betterdesk-server/go.mod betterdesk-server/go.sum ./
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RUN go mod download
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# Copy full source
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COPY betterdesk-server/ .
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ARG BETTERDESK_PRODUCT_VERSION=dev
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# Build static binary (modernc.org/sqlite is pure Go — no CGO needed)
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RUN CGO_ENABLED=0 GOOS=linux go build \
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-ldflags="-s -w -X main.Version=${BETTERDESK_PRODUCT_VERSION}" \
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-tags "netgo osusergo" \
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-o /betterdesk-server .
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# ---- Runtime stage ----
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FROM alpine:3.20
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LABEL maintainer="UNITRONIX"
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LABEL description="BetterDesk Server - RustDesk-compatible signal + relay"
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LABEL version="3.4.1"
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RUN apk add --no-cache \
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ca-certificates \
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curl \
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sqlite \
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tini \
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su-exec \
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|| { sleep 2 && apk add --no-cache \
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ca-certificates curl sqlite tini su-exec; } \
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&& addgroup -g 10001 -S betterdesk \
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&& adduser -u 10001 -S -G betterdesk betterdesk
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COPY --from=builder /betterdesk-server /usr/local/bin/betterdesk-server
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RUN chmod +x /usr/local/bin/betterdesk-server
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# Create data directory before writing build metadata into it
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RUN mkdir -p /opt/rustdesk && chown betterdesk:betterdesk /opt/rustdesk
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ARG BETTERDESK_COMMIT_SHA=unknown
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ARG BETTERDESK_IMAGE_VERSION=unknown
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ENV BETTERDESK_IMAGE_SHA=${BETTERDESK_COMMIT_SHA}
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ENV BETTERDESK_IMAGE_VERSION=${BETTERDESK_IMAGE_VERSION}
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RUN printf '%s\n' "${BETTERDESK_COMMIT_SHA}" > /opt/rustdesk/.image-commit
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# Entrypoint script: fixes volume permissions, then drops to betterdesk user
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COPY docker/server-entrypoint.sh /server-entrypoint.sh
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COPY docker/show-admin-credentials.sh /usr/local/bin/betterdesk-show-admin-credentials
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RUN chmod +x /server-entrypoint.sh /usr/local/bin/betterdesk-show-admin-credentials
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WORKDIR /opt/rustdesk
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# Ports:
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# 21121 - HTTP API (RustDesk client API + REST)
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# 21115 - NAT type test
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# 21116 - Signal (TCP+UDP)
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# 21117 - Relay (TCP)
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# 21118 - WebSocket Signal
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# 21119 - WebSocket Relay
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EXPOSE 21115 21116/tcp 21116/udp 21117 21118 21119 21121
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# Health check via API
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HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \
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CMD curl -sf http://localhost:21121/api/health || exit 1
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# Note: Container starts as root so entrypoint can fix volume permissions.
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# server-entrypoint.sh drops to betterdesk user via su-exec before running the server.
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ENTRYPOINT ["/sbin/tini", "--", "/server-entrypoint.sh"]
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CMD ["/usr/local/bin/betterdesk-server", "-mode", "all", "-key-file", "/opt/rustdesk/id_ed25519"]
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