JSON blob 72288f6c1e779a9bf443e619e4d27f3f7a7e5fbf28b93a837b312fb64eb14cf4

{
  "architecture": "amd64",
  "config": {
    "Env": [
      "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
    ],
    "Entrypoint": [
      "/usr/bin/promtail"
    ],
    "Cmd": [
      "-config.file=/etc/promtail/config.yml"
    ],
    "Labels": {
      "org.opencontainers.image.ref.name": "ubuntu",
      "org.opencontainers.image.version": "24.04"
    },
    "ArgsEscaped": true
  },
  "created": "2026-02-18T08:52:31.142537238Z",
  "history": [
    {
      "created": "2026-02-10T16:49:54.555271506Z",
      "created_by": "/bin/sh -c #(nop)  ARG RELEASE",
      "empty_layer": true
    },
    {
      "created": "2026-02-10T16:49:54.597347Z",
      "created_by": "/bin/sh -c #(nop)  ARG LAUNCHPAD_BUILD_ARCH",
      "empty_layer": true
    },
    {
      "created": "2026-02-10T16:49:54.629922453Z",
      "created_by": "/bin/sh -c #(nop)  LABEL org.opencontainers.image.ref.name=ubuntu",
      "empty_layer": true
    },
    {
      "created": "2026-02-10T16:49:54.658571922Z",
      "created_by": "/bin/sh -c #(nop)  LABEL org.opencontainers.image.version=24.04",
      "empty_layer": true
    },
    {
      "created": "2026-02-10T16:49:56.804776604Z",
      "created_by": "/bin/sh -c #(nop) ADD file:1ae27d2ef4369361104b699712f3897141e394785df5d193d67b44626f57eb87 in / "
    },
    {
      "created": "2026-02-10T16:49:57.226767398Z",
      "created_by": "/bin/sh -c #(nop)  CMD [\"/bin/bash\"]",
      "empty_layer": true
    },
    {
      "created": "2026-02-18T08:47:53.285184419Z",
      "created_by": "RUN /bin/sh -c apt-get update  &&  apt-get install -qy libsystemd-dev tzdata ca-certificates  &&  rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* # buildkit",
      "comment": "buildkit.dockerfile.v0"
    },
    {
      "created": "2026-02-18T08:52:31.129127186Z",
      "created_by": "COPY /src/loki/clients/cmd/promtail/promtail /usr/bin/promtail # buildkit",
      "comment": "buildkit.dockerfile.v0"
    },
    {
      "created": "2026-02-18T08:52:31.142537238Z",
      "created_by": "COPY clients/cmd/promtail/promtail-docker-config.yaml /etc/promtail/config.yml # buildkit",
      "comment": "buildkit.dockerfile.v0"
    },
    {
      "created": "2026-02-18T08:52:31.142537238Z",
      "created_by": "ENTRYPOINT [\"/usr/bin/promtail\"]",
      "comment": "buildkit.dockerfile.v0",
      "empty_layer": true
    },
    {
      "created": "2026-02-18T08:52:31.142537238Z",
      "created_by": "CMD [\"-config.file=/etc/promtail/config.yml\"]",
      "comment": "buildkit.dockerfile.v0",
      "empty_layer": true
    }
  ],
  "os": "linux",
  "rootfs": {
    "type": "layers",
    "diff_ids": [
      "sha256:efafae78d70c98626c521c246827389128e7d7ea442db31bc433934647f0c791",
      "sha256:881beb80040420204e61b0beb832ec0a9817a53a29f2796bcdcfab701504ccf5",
      "sha256:d4d38eef7930445eea5abda02cffdfe9b7694a8fb7f5e7045a8dd4963d970274",
      "sha256:2e00e128e91ba007413c55c77042125a4e4412bd5a42add489e6ea5d10ac7faa"
    ]
  }
}

Images, referring to this json: