Joshua Belke
88f779b206
- Dockerfile: multi-stage static build from vendored src/ (gatus @ 4566e746) - docker-compose: postgres profile or sqlite/memory via .env - helm/: chart 0.2.0 — memory/sqlite/postgres storage, ingress, kube-vip LB - Deployed to r2d2 cluster: http://192.168.3.152 / status.r2d2.office.ilab.zone
31 lines
1.2 KiB
Docker
31 lines
1.2 KiB
Docker
# syntax=docker/dockerfile:1
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# Build the Gatus binary from the vendored source in ./src
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FROM golang:alpine AS builder
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RUN apk --no-cache add ca-certificates tzdata
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WORKDIR /app
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COPY src/go.mod src/go.sum ./
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RUN go mod download
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COPY src/ ./
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RUN CGO_ENABLED=0 GOOS=linux go build -trimpath -ldflags="-s -w" -o gatus .
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# Pre-create a directory we can hand to the scratch stage with the right owner
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# (used as the mount point for sqlite storage volumes)
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RUN mkdir /data && chown 65534:65534 /data
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# Run the binary on an empty container
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FROM scratch
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COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
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COPY --from=builder /usr/share/zoneinfo /usr/share/zoneinfo
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COPY --from=builder /app/gatus /gatus
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COPY --from=builder --chown=65534:65534 /data /data
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# Default config baked in; overridden by a bind mount (compose) or ConfigMap (helm)
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COPY config/config.yaml /config/config.yaml
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# Gatus reads /config/config.yaml by default when GATUS_CONFIG_PATH is empty
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ENV GATUS_CONFIG_PATH="" \
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GATUS_LOG_LEVEL="INFO" \
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PORT="8080"
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EXPOSE 8080
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# nobody:nogroup — note: ICMP (icmp://) endpoints require root or CAP_NET_RAW
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USER 65534:65534
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ENTRYPOINT ["/gatus"]
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