blumeops/containers/grafana/Dockerfile
Erich Blume d05d2fbaff
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C2: Upgrade Grafana to 12.x with Nix container and Kustomize (#260)
## Summary

Mikado chain to upgrade Grafana from 11.4.0 (Helm chart) to 12.x with:
- Home-built Nix container image (`forge.ops.eblu.me/eblume/grafana`)
- Kustomize manifests replacing the Helm chart
- Single-source ArgoCD app

## Chain

Goal: `upgrade-grafana`
Leaves: `build-grafana-container`, `kustomize-grafana-deployment`

Track with: `mise run docs-mikado upgrade-grafana`

## Test plan
- [ ] Container builds successfully via Nix
- [ ] Container pushed to registry
- [ ] Kustomize manifests produce equivalent resources to current Helm
- [ ] Pod runs, UI loads, OIDC works, datasources healthy
- [ ] `mise run services-check` passes

Reviewed-on: https://forge.ops.eblu.me/eblume/blumeops/pulls/260
2026-02-23 18:07:18 -08:00

65 lines
2.2 KiB
Docker

ARG CONTAINER_APP_VERSION=12.3.3
FROM alpine:3.22
ARG TARGETPLATFORM
ARG CONTAINER_APP_VERSION
ARG GRAFANA_VERSION=${CONTAINER_APP_VERSION}
RUN set -e && \
apk --no-cache add dumb-init curl && \
# Detect architecture
if [ -n "$TARGETPLATFORM" ]; then \
echo "TARGETPLATFORM: $TARGETPLATFORM"; \
case "$TARGETPLATFORM" in \
linux/arm64*) ARCH="arm64" ;; \
linux/amd64*) ARCH="amd64" ;; \
*) ARCH="" ;; \
esac; \
else \
echo "TARGETPLATFORM not set, detecting from uname..."; \
UNAME_ARCH=$(uname -m); \
echo "uname -m: $UNAME_ARCH"; \
case "$UNAME_ARCH" in \
aarch64|arm64) ARCH="arm64" ;; \
x86_64) ARCH="amd64" ;; \
*) ARCH="" ;; \
esac; \
fi && \
if [ -z "$ARCH" ]; then \
echo "ERROR: Unsupported architecture"; \
exit 1; \
fi && \
url="https://dl.grafana.com/oss/release/grafana-${GRAFANA_VERSION}.linux-${ARCH}.tar.gz" && \
echo "URL: $url" && \
curl -fSL "$url" | tar -xz -C /tmp && \
mv /tmp/grafana-${GRAFANA_VERSION} /usr/share/grafana && \
apk del curl
# Standard Grafana paths
RUN mkdir -p /etc/grafana /var/lib/grafana /var/log/grafana && \
cp /usr/share/grafana/conf/defaults.ini /etc/grafana/grafana.ini && \
cp /usr/share/grafana/conf/defaults.ini /etc/grafana/defaults.ini
# UID 472 matches official Grafana image for PVC compatibility
RUN adduser -D -u 472 -h /usr/share/grafana grafana && \
chown -R grafana:grafana /usr/share/grafana /etc/grafana /var/lib/grafana /var/log/grafana
ENV PATH="/usr/share/grafana/bin:$PATH"
USER grafana
WORKDIR /usr/share/grafana
EXPOSE 3000
LABEL org.opencontainers.image.title="Grafana"
LABEL org.opencontainers.image.description="Grafana OSS observability platform"
LABEL org.opencontainers.image.source="https://github.com/grafana/grafana"
ENTRYPOINT ["/usr/bin/dumb-init", "--"]
CMD ["grafana", "server", \
"--homepath=/usr/share/grafana", \
"--config=/etc/grafana/grafana.ini", \
"cfg:default.paths.data=/var/lib/grafana", \
"cfg:default.paths.logs=/var/log/grafana", \
"cfg:default.paths.plugins=/var/lib/grafana/plugins", \
"cfg:default.paths.provisioning=/etc/grafana/provisioning"]