Dockerfile

FROM golang:1.26.1-alpine3.23@sha256:2389ebfa5b7f43eeafbd6be0c3700cc46690ef842ad962f6c5bd6be49ed82039 AS go-builder

ENV REVIEWDOG_VERSION=v0.21.0

RUN apk add --no-cache git \
    && git clone --depth 1 --branch ${REVIEWDOG_VERSION} https://github.com/reviewdog/reviewdog.git /reviewdog \
    && cd /reviewdog \
    && go mod edit -require=golang.org/x/crypto@v0.45.0 \
    && go mod tidy \
    && CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o reviewdog ./cmd/reviewdog

FROM node:25.9.0-alpine3.23@sha256:ad82ecad30371c43f4057aaa4800a8ed88f9446553a2d21323710c7b937177fc
ENV MARKDOWNLINT_CLI_VERSION=v0.48.0
RUN npm install -g "markdownlint-cli@$MARKDOWNLINT_CLI_VERSION"

RUN apk add --no-cache \
        ca-certificates \
        git \
        jq \
        wget \
        curl

COPY --from=go-builder /reviewdog/reviewdog /usr/local/bin/reviewdog

COPY entrypoint.sh /entrypoint.sh

ENTRYPOINT ["/entrypoint.sh"]
CMD []