Erich Blume
b75c4f970b
The 2.x memory regression (#462) is resolved and the remaining ~35MB overhead is static (health endpoint server), not a leak. Port the build from Dockerfile to native Dagger container.py and add liveness/readiness probes using the new /healthz endpoint on port 8080. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
84 lines
2.3 KiB
Python
84 lines
2.3 KiB
Python
"""Grafana dashboard sidecar — native Dagger build.
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Two-stage build: Python venv (builder), Python Alpine (runtime).
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Source cloned from forge mirror.
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"""
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import dagger
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from dagger import dag
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from blumeops.containers import clone_from_forge, oci_labels
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VERSION = "2.6.0"
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PYTHON_BASE = "python:3.14-alpine3.23"
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async def build(src: dagger.Directory) -> dagger.Container:
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source = clone_from_forge("kiwigrid-grafana-sidecar", VERSION)
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# Stage 1: Build Python venv with dependencies
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builder = (
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dag.container()
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.from_(PYTHON_BASE)
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.with_exec(["apk", "add", "--no-cache", "gcc", "musl-dev"])
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.with_workdir("/app")
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.with_exec(
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["python", "-m", "venv", ".venv"],
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)
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.with_exec(
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[".venv/bin/pip", "install", "--no-cache-dir", "-U", "pip", "setuptools"],
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)
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.with_file("/app/pyproject.toml", source.file("pyproject.toml"))
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.with_directory("/app/src", source.directory("src"))
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.with_exec([".venv/bin/pip", "install", "--no-cache-dir", "."])
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.with_exec(
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[
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"find",
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"/app/.venv",
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"(",
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"-type",
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"d",
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"-a",
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"-name",
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"test",
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"-o",
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"-name",
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"tests",
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")",
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"-o",
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"(",
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"-type",
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"f",
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"-a",
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"-name",
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"*.pyc",
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"-o",
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"-name",
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"*.pyo",
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")",
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"-exec",
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"rm",
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"-rf",
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"{}",
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"+",
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],
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)
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)
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# Stage 2: Runtime
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runtime = dag.container().from_(PYTHON_BASE)
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runtime = oci_labels(
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runtime,
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title="Grafana Sidecar",
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description="K8s sidecar to sync ConfigMap dashboards into Grafana",
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version=VERSION,
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)
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return (
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runtime.with_env_variable("PYTHONUNBUFFERED", "1")
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.with_workdir("/app")
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.with_directory("/app/.venv", builder.directory("/app/.venv"))
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.with_env_variable("PATH", "/app/.venv/bin:$PATH")
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.with_user("65534:65534")
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.with_default_args(args=["python", "-u", "-m", "sidecar"])
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)
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