FROM --platform=$BUILDPLATFORM golang:1.27.3-alpine3.23@sha256:5d5113301ffcac84e2bfb20c42648803fecaea6789c89bb9b66884e18cbb30a7 AS builder

RUN apk add --update --no-cache ca-certificates make git curl

ARG TARGETPLATFORM

WORKDIR /src

ARG GOPROXY

ENV CGO_ENABLED=0

ENV GOCACHE=/go/cache
ENV GOMODCACHE=/go/pkg/mod

COPY --link go.mod go.sum ./

RUN --mount=type=cache,target=/go/pkg/mod \
    --mount=type=cache,target=/go/cache \
    go mod download -x

COPY --link collector/go.mod collector/go.sum ./collector/

RUN --mount=type=cache,target=/go/pkg/mod \
    --mount=type=cache,target=/go/cache \
    go mod download -C ./collector -x

ARG VERSION

COPY --link . .

RUN chmod +x entrypoint.sh

RUN --mount=type=cache,target=/go/pkg/mod \
    --mount=type=cache,target=/go/cache \
    go build -C ./collector -ldflags "-X main.version=${VERSION}" -o /usr/local/bin/benthos ./cmd

FROM alpine:3.24.3@sha256:be2656061b536c1883c4034790e21d0a09c5aaaf51968b89368a3c0371ea2c9a

RUN apk add --update --no-cache ca-certificates tzdata bash

SHELL ["/bin/bash", "-c"]

# This is so we can reuse presets in development
WORKDIR /etc/benthos

COPY cloudevents.spec.json /etc/benthos/

COPY collector/benthos/presets /etc/benthos/presets

COPY --link --from=builder /usr/local/bin/benthos /usr/local/bin/
COPY --link --from=builder /src/entrypoint.sh /entrypoint.sh

ENTRYPOINT ["/entrypoint.sh", "/usr/local/bin/benthos"]