Dockerfile

FROM --platform=${BUILDPLATFORM:-linux/amd64} golang:1.20-bullseye AS builder

LABEL org.opencontainers.image.source=https://github.com/ipfs/rainbow
LABEL org.opencontainers.image.description="A stand-alone IPFS Gateway"
LABEL org.opencontainers.image.licenses=MIT+APACHE_2.0


# This builds rainbow

ARG TARGETPLATFORM TARGETOS TARGETARCH

ENV GOPATH      /go
ENV SRC_PATH    $GOPATH/src/github.com/ipfs/rainbow
ENV GO111MODULE on
ENV GOPROXY     https://proxy.golang.org

COPY go.* $SRC_PATH/
WORKDIR $SRC_PATH
RUN go mod download

COPY . $SRC_PATH
RUN git config --global --add safe.directory /go/src/github.com/ipfs/rainbow

RUN --mount=target=. \
    --mount=type=cache,target=/root/.cache/go-build \
    --mount=type=cache,target=/go/pkg \
    CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -o $GOPATH/bin/rainbow

#------------------------------------------------------
FROM alpine:3.18

# This runs rainbow

# Instal binaries for $TARGETARCH
RUN apk add --no-cache tini su-exec ca-certificates curl

ENV GOPATH                 /go
ENV SRC_PATH               $GOPATH/src/github.com/ipfs/rainbow
ENV RAINBOW_GATEWAY_PATH   /data/rainbow
ENV KUBO_RPC_URL           https://node0.delegate.ipfs.io,https://node1.delegate.ipfs.io,https://node2.delegate.ipfs.io,https://node3.delegate.ipfs.io

COPY --from=builder $GOPATH/bin/rainbow /usr/local/bin/rainbow
COPY --from=builder $SRC_PATH/docker/entrypoint.sh /usr/local/bin/entrypoint.sh

RUN mkdir -p $RAINBOW_GATEWAY_PATH && \
    adduser -D -h $RAINBOW_GATEWAY_PATH -u 1000 -G users ipfs && \
    chown ipfs:users $RAINBOW_GATEWAY_PATH
VOLUME $RAINBOW_GATEWAY_PATH
WORKDIR $RAINBOW_GATEWAY_PATH

ENTRYPOINT ["/sbin/tini", "--", "/usr/local/bin/entrypoint.sh"]