20 lines
704 B
Docker
20 lines
704 B
Docker
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# Build stage: compile a static binary so the runtime image can be minimal.
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FROM golang:1.25-alpine AS build
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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=0 go build -trimpath -o /ultrashorty .
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# Runtime stage.
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FROM alpine:3.20
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RUN adduser -D -u 10001 ultrashorty
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USER ultrashorty
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COPY --from=build /ultrashorty /usr/local/bin/ultrashorty
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# The redirects CSV is supplied at deploy time (bind mount / config), and
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# --host must be set to 0.0.0.0 to accept connections from outside the
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# container -- ultrashorty defaults to localhost. Example:
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# docker run -v ./redirects.csv:/redirects.csv <image> --host 0.0.0.0 /redirects.csv
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EXPOSE 4000
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ENTRYPOINT ["ultrashorty"]
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