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ironpeakservices/iron-scratch

Secure base image for running statically compiled applications. The default entrypoint is /app.

docker pull ghcr.io/ironpeakservices/iron-scratch/iron-scratch:1.0.0

How is this different?

This is based on the empty scratch image, but contains additional things:

  • CA Certificates for verifying certificates (location info)
  • Timezone files
  • An unprivileged user

Example

FROM golang:alpine AS builder
ENV GOOS=linux GOARCH=amd64 CGO_ENABLED=0
RUN go build std
COPY main.go /
RUN go build -trimpath -ldflags '-w -s -extldflags "-static"' -o /app /main.go

FROM ghcr.io/ironpeakservices/iron-scratch/iron-scratch:1.0.0
COPY --from=builder /app /app
ENTRYPOINT ["/app"]

Update policy

Updates to the official alpine docker image are automatically created as a pull request and trigger linting & a docker build. When those checks complete without errors, a merge into master will trigger a deploy with the same version to packages.