Dockerfile

FROM --platform=$BUILDPLATFORM golang:1.22.5-alpine3.19 as builder

ARG TARGETOS
ARG TARGETARCH

RUN apk update && apk add --no-cache git bash ca-certificates && update-ca-certificates

ARG BUILD_ID="17.1.6"

WORKDIR /app

ADD go.mod go.sum ./

RUN go mod download
RUN go mod verify

ADD . .

RUN CGO_ENABLED=0 \
    GOOS=${TARGETOS} \
    GOARCH=${TARGETARCH} \
    go build -ldflags "-X main.BuildID=${BUILD_ID}" \
    -o tracing-proxy \
    ./cmd/tracing-proxy

FROM --platform=$TARGETPLATFORM alpine:3.19

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

COPY --from=builder /app/config_complete.yaml /etc/tracing-proxy/config.yaml
COPY --from=builder /app/rules_complete.yaml /etc/tracing-proxy/rules.yaml

COPY --from=builder /app/tracing-proxy /usr/bin/tracing-proxy

CMD ["/usr/bin/tracing-proxy", "--config", "/etc/tracing-proxy/config.yaml", "--rules_config", "/etc/tracing-proxy/rules.yaml"]