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docs: ps --format json outputs JSON Lines, not a JSON array #13868

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68 changes: 34 additions & 34 deletions docs/reference/compose_ps.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -61,50 +61,50 @@ example-bar-1 alpine "/entrypoint.…" bar 4 seconds ago exited
By default, the `docker compose ps` command uses a table ("pretty") format to
show the containers. The `--format` flag allows you to specify alternative
presentations for the output. Currently, supported options are `pretty` (default),
and `json`, which outputs information about the containers as a JSON array:
and `json`, which outputs information about the containers as JSON Lines
(one JSON object per line), aligned with the output of `docker ps --format json`:

```console
$ docker compose ps --format json
[{"ID":"1553b0236cf4d2715845f053a4ee97042c4f9a2ef655731ee34f1f7940eaa41a","Name":"example-bar-1","Command":"/docker-entrypoint.sh nginx -g 'daemon off;'","Project":"example","Service":"bar","State":"exited","Health":"","ExitCode":0,"Publishers":null},{"ID":"f02a4efaabb67416e1ff127d51c4b5578634a0ad5743bd65225ff7d1909a3fa0","Name":"example-foo-1","Command":"/docker-entrypoint.sh nginx -g 'daemon off;'","Project":"example","Service":"foo","State":"running","Health":"","ExitCode":0,"Publishers":[{"URL":"0.0.0.0","TargetPort":80,"PublishedPort":8080,"Protocol":"tcp"}]}]
{"ID":"1553b0236cf4d2715845f053a4ee97042c4f9a2ef655731ee34f1f7940eaa41a","Name":"example-bar-1","Command":"/docker-entrypoint.sh nginx -g 'daemon off;'","Project":"example","Service":"bar","State":"exited","Health":"","ExitCode":0,"Publishers":null}
{"ID":"f02a4efaabb67416e1ff127d51c4b5578634a0ad5743bd65225ff7d1909a3fa0","Name":"example-foo-1","Command":"/docker-entrypoint.sh nginx -g 'daemon off;'","Project":"example","Service":"foo","State":"running","Health":"","ExitCode":0,"Publishers":[{"URL":"0.0.0.0","TargetPort":80,"PublishedPort":8080,"Protocol":"tcp"}]}
```

The JSON output allows you to use the information in other tools for further
processing, for example, using the [`jq` utility](https://stedolan.github.io/jq/)
to pretty-print the JSON:
to pretty-print each object:

```console
$ docker compose ps --format json | jq .
[
{
"ID": "1553b0236cf4d2715845f053a4ee97042c4f9a2ef655731ee34f1f7940eaa41a",
"Name": "example-bar-1",
"Command": "/docker-entrypoint.sh nginx -g 'daemon off;'",
"Project": "example",
"Service": "bar",
"State": "exited",
"Health": "",
"ExitCode": 0,
"Publishers": null
},
{
"ID": "f02a4efaabb67416e1ff127d51c4b5578634a0ad5743bd65225ff7d1909a3fa0",
"Name": "example-foo-1",
"Command": "/docker-entrypoint.sh nginx -g 'daemon off;'",
"Project": "example",
"Service": "foo",
"State": "running",
"Health": "",
"ExitCode": 0,
"Publishers": [
{
"URL": "0.0.0.0",
"TargetPort": 80,
"PublishedPort": 8080,
"Protocol": "tcp"
}
]
}
]
{
"ID": "1553b0236cf4d2715845f053a4ee97042c4f9a2ef655731ee34f1f7940eaa41a",
"Name": "example-bar-1",
"Command": "/docker-entrypoint.sh nginx -g 'daemon off;'",
"Project": "example",
"Service": "bar",
"State": "exited",
"Health": "",
"ExitCode": 0,
"Publishers": null
}
{
"ID": "f02a4efaabb67416e1ff127d51c4b5578634a0ad5743bd65225ff7d1909a3fa0",
"Name": "example-foo-1",
"Command": "/docker-entrypoint.sh nginx -g 'daemon off;'",
"Project": "example",
"Service": "foo",
"State": "running",
"Health": "",
"ExitCode": 0,
"Publishers": [
{
"URL": "0.0.0.0",
"TargetPort": 80,
"PublishedPort": 8080,
"Protocol": "tcp"
}
]
}
```

### <a name="status"></a> Filter containers by status (--status)
Expand Down
68 changes: 34 additions & 34 deletions docs/reference/docker_compose_ps.yaml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -130,50 +130,50 @@ examples: |-
By default, the `docker compose ps` command uses a table ("pretty") format to
show the containers. The `--format` flag allows you to specify alternative
presentations for the output. Currently, supported options are `pretty` (default),
and `json`, which outputs information about the containers as a JSON array:
and `json`, which outputs information about the containers as JSON Lines
(one JSON object per line), aligned with the output of `docker ps --format json`:

```console
$ docker compose ps --format json
[{"ID":"1553b0236cf4d2715845f053a4ee97042c4f9a2ef655731ee34f1f7940eaa41a","Name":"example-bar-1","Command":"/docker-entrypoint.sh nginx -g 'daemon off;'","Project":"example","Service":"bar","State":"exited","Health":"","ExitCode":0,"Publishers":null},{"ID":"f02a4efaabb67416e1ff127d51c4b5578634a0ad5743bd65225ff7d1909a3fa0","Name":"example-foo-1","Command":"/docker-entrypoint.sh nginx -g 'daemon off;'","Project":"example","Service":"foo","State":"running","Health":"","ExitCode":0,"Publishers":[{"URL":"0.0.0.0","TargetPort":80,"PublishedPort":8080,"Protocol":"tcp"}]}]
{"ID":"1553b0236cf4d2715845f053a4ee97042c4f9a2ef655731ee34f1f7940eaa41a","Name":"example-bar-1","Command":"/docker-entrypoint.sh nginx -g 'daemon off;'","Project":"example","Service":"bar","State":"exited","Health":"","ExitCode":0,"Publishers":null}
{"ID":"f02a4efaabb67416e1ff127d51c4b5578634a0ad5743bd65225ff7d1909a3fa0","Name":"example-foo-1","Command":"/docker-entrypoint.sh nginx -g 'daemon off;'","Project":"example","Service":"foo","State":"running","Health":"","ExitCode":0,"Publishers":[{"URL":"0.0.0.0","TargetPort":80,"PublishedPort":8080,"Protocol":"tcp"}]}
```

The JSON output allows you to use the information in other tools for further
processing, for example, using the [`jq` utility](https://stedolan.github.io/jq/)
to pretty-print the JSON:
to pretty-print each object:

```console
$ docker compose ps --format json | jq .
[
{
"ID": "1553b0236cf4d2715845f053a4ee97042c4f9a2ef655731ee34f1f7940eaa41a",
"Name": "example-bar-1",
"Command": "/docker-entrypoint.sh nginx -g 'daemon off;'",
"Project": "example",
"Service": "bar",
"State": "exited",
"Health": "",
"ExitCode": 0,
"Publishers": null
},
{
"ID": "f02a4efaabb67416e1ff127d51c4b5578634a0ad5743bd65225ff7d1909a3fa0",
"Name": "example-foo-1",
"Command": "/docker-entrypoint.sh nginx -g 'daemon off;'",
"Project": "example",
"Service": "foo",
"State": "running",
"Health": "",
"ExitCode": 0,
"Publishers": [
{
"URL": "0.0.0.0",
"TargetPort": 80,
"PublishedPort": 8080,
"Protocol": "tcp"
}
]
}
]
{
"ID": "1553b0236cf4d2715845f053a4ee97042c4f9a2ef655731ee34f1f7940eaa41a",
"Name": "example-bar-1",
"Command": "/docker-entrypoint.sh nginx -g 'daemon off;'",
"Project": "example",
"Service": "bar",
"State": "exited",
"Health": "",
"ExitCode": 0,
"Publishers": null
}
{
"ID": "f02a4efaabb67416e1ff127d51c4b5578634a0ad5743bd65225ff7d1909a3fa0",
"Name": "example-foo-1",
"Command": "/docker-entrypoint.sh nginx -g 'daemon off;'",
"Project": "example",
"Service": "foo",
"State": "running",
"Health": "",
"ExitCode": 0,
"Publishers": [
{
"URL": "0.0.0.0",
"TargetPort": 80,
"PublishedPort": 8080,
"Protocol": "tcp"
}
]
}
```

### Filter containers by status (--status) {#status}
Expand Down
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