blumeops/containers/loki/Dockerfile
Erich Blume 613f05dfde
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Add consistent OCI labels to all container Dockerfiles
Every container now carries title, description, version, source, and
vendor labels per the OCI image spec. Version is derived from the
existing CONTAINER_APP_VERSION ARG at build time.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-18 20:42:00 -07:00

41 lines
1.3 KiB
Docker

# Grafana Loki log aggregation system
# Two-stage build: Go binary, Alpine runtime
ARG CONTAINER_APP_VERSION=3.6.5
ARG LOKI_VERSION=v${CONTAINER_APP_VERSION}
FROM golang:alpine3.22 AS build
ARG LOKI_VERSION
RUN apk add --no-cache build-base git
RUN git clone --depth 1 --branch ${LOKI_VERSION} \
https://forge.ops.eblu.me/mirrors/loki.git /go/src/app
WORKDIR /go/src/app
ENV CGO_ENABLED=0
RUN go build -tags netgo \
-ldflags="-w -s \
-X github.com/grafana/loki/v3/pkg/util/build.Version=${LOKI_VERSION} \
-X github.com/grafana/loki/v3/pkg/util/build.Branch=HEAD \
-X github.com/grafana/loki/v3/pkg/util/build.BuildUser=blumeops \
-X github.com/grafana/loki/v3/pkg/util/build.Revision=blumeops-build" \
-o /bin/loki ./cmd/loki
FROM alpine:3.22
ARG CONTAINER_APP_VERSION
LABEL org.opencontainers.image.title="Loki"
LABEL org.opencontainers.image.description="Grafana Loki log aggregation system"
LABEL org.opencontainers.image.version="${CONTAINER_APP_VERSION}"
LABEL org.opencontainers.image.source="https://forge.eblu.me/eblume/blumeops"
LABEL org.opencontainers.image.vendor="blumeops"
RUN apk add --no-cache ca-certificates tzdata
RUN mkdir -p /loki && chown 10001:10001 /loki
USER 10001
COPY --from=build /bin/loki /usr/bin/loki
EXPOSE 3100
ENTRYPOINT ["/usr/bin/loki"]