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feat: replace alpine with chainguard distroless images #7

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15 changes: 6 additions & 9 deletions Dockerfile
Original file line number Diff line number Diff line change
@@ -1,21 +1,18 @@
FROM golang:1.21.0-alpine as builder
FROM cgr.dev/chainguard/go:latest as builder

WORKDIR /usr/src
WORKDIR /src

COPY go.mod go.sum ./

RUN go mod download && go mod verify

ARG VERSION
ARG COMMIT

COPY . .
RUN go build -ldflags="-s -w -X main.version=$VERSION -X main.commit=$COMMIT" -v -o /usr/local/bin/prog ./cmd/repeater/repeater.go

FROM alpine:3.14
RUN CGO_ENABLED=0 go build -ldflags="-s -w -X main.version=${VERSION} -X main.commit=${COMMIT}" -o /bin/prog cmd/repeater/repeater.go

RUN apk add --no-cache ca-certificates
FROM cgr.dev/chainguard/static:latest

COPY --from=builder /usr/local/bin/prog ./prog
COPY --from=builder /bin/prog /prog

ENTRYPOINT [ "sh", "-c", "update-ca-certificates && ./prog" ]
ENTRYPOINT ["/prog"]