29 lines
770 B
Docker
29 lines
770 B
Docker
# syntax=docker/dockerfile:1.7
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FROM golang:1.25.12-alpine AS build
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RUN apk add --no-cache build-base
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WORKDIR /src
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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=1 GOOS=linux go build -trimpath -ldflags="-s -w" -o /out/dyndns-web ./cmd/dyndns-web
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FROM alpine:3.23.2 AS runtime
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RUN apk add --no-cache ca-certificates && \
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addgroup -S -g 10001 dyndns && \
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adduser -S -D -H -u 10001 -G dyndns dyndns && \
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mkdir -p /data /secrets && chown dyndns:dyndns /data /secrets
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COPY --from=build /out/dyndns-web /usr/local/bin/dyndns-web
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USER dyndns:dyndns
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WORKDIR /data
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EXPOSE 8080
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HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 CMD ["/usr/local/bin/dyndns-web", "healthcheck"]
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ENTRYPOINT ["/usr/local/bin/dyndns-web"]
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