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beszel/internal/dockerfile_agent
2025-10-05 20:06:17 -04:00

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FROM --platform=$BUILDPLATFORM golang:alpine AS builder
WORKDIR /app
COPY ../go.mod ../go.sum ./
RUN go mod download
# Copy source files
COPY . ./
# Build
ARG TARGETOS TARGETARCH
RUN CGO_ENABLED=0 GOGC=75 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags "-w -s" -o /agent ./internal/cmd/agent
RUN rm -rf /tmp/*
# --------------------------
# Final image: default scratch-based agent
# --------------------------
FROM scratch
COPY --from=builder /agent /agent
# this is so we don't need to create the /tmp directory in the scratch container
COPY --from=builder /tmp /tmp
# Ensure data persistence across container recreations
VOLUME ["/var/lib/beszel-agent"]
ENTRYPOINT ["/agent"]