23 lines
776 B
Docker
23 lines
776 B
Docker
# syntax=docker/dockerfile:1
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FROM golang:1.22-bookworm AS build
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WORKDIR /src
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COPY go.mod ./
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COPY cmd/ ./cmd/
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COPY internal/ ./internal/
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RUN go mod tidy && go mod download
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RUN CGO_ENABLED=0 GOOS=linux go build -trimpath -ldflags="-s -w" -o /out/gateway ./cmd/gateway
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# Alpine: non-root + wget for HEALTHCHECK (distroless has no shell/wget).
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FROM alpine:3.19
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RUN apk add --no-cache ca-certificates wget \
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&& addgroup -S gateway -g 65532 \
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&& adduser -S -u 65532 -G gateway gateway
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COPY --from=build /out/gateway /gateway
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USER gateway:gateway
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EXPOSE 8080
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ENV CONFIG_PATH=/etc/telemt-gateway/config.yaml
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
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CMD wget -q -O- http://127.0.0.1:8080/health >/dev/null || exit 1
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ENTRYPOINT ["/gateway"]
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