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Docker-Networking-LAB.txt
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2613 lines (2600 loc) · 105 KB
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Microsoft Windows [Version 10.0.22631.6345]
(c) Microsoft Corporation. All rights reserved.
C:\Users\Gaurav.26>cd Downloads
C:\Users\Gaurav.26\Downloads>ssh -i docker.pem [email protected]
, #_
~\_ ####_ Amazon Linux 2023
~~ \_#####\
~~ \###|
~~ \#/ ___ https://aws.amazon.com/linux/amazon-linux-2023
~~ V~' '->
~~~ /
~~._. _/
_/ _/
_/m/'
Last login: Sun Dec 21 16:17:17 2025 from 103.146.111.109
[ec2-user@ip-172-31-12-251 ~]$ sudo su
[root@ip-172-31-12-251 ec2-user]#
[root@ip-172-31-12-251 ec2-user]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
512501b3acdf myimage "apache2ctl -D FOREG…" 3 minutes ago Up 3 minutes 0.0.0.0:80->80/tcp, :::80->80/tcp con1
[root@ip-172-31-12-251 ec2-user]# docker network ls
NETWORK ID NAME DRIVER SCOPE
b35f295394a2 bridge bridge local
888146c4d0d3 host host local
c92fef13a7ac none null local
[root@ip-172-31-12-251 ec2-user]# docker inspect 512501b3acdf
[
{
"Id": "512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18",
"Created": "2025-12-21T16:37:52.689992248Z",
"Path": "apache2ctl",
"Args": [
"-D",
"FOREGROUND"
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 32565,
"ExitCode": 0,
"Error": "",
"StartedAt": "2025-12-21T16:37:53.088834676Z",
"FinishedAt": "0001-01-01T00:00:00Z"
},
"Image": "sha256:b5a66fc84aee6bd589b5e962c4a48461a7c8f18d66ce666e508832eb75a4c89e",
"ResolvConfPath": "/var/lib/docker/containers/512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18/hostname",
"HostsPath": "/var/lib/docker/containers/512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18/hosts",
"LogPath": "/var/lib/docker/containers/512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18/512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18-json.log",
"Name": "/con1",
"RestartCount": 0,
"Driver": "overlay2",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "",
"ExecIDs": null,
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LogConfig": {
"Type": "json-file",
"Config": {}
},
"NetworkMode": "default",
"PortBindings": {
"80/tcp": [
{
"HostIp": "",
"HostPort": "80"
}
]
},
"RestartPolicy": {
"Name": "no",
"MaximumRetryCount": 0
},
"AutoRemove": false,
"VolumeDriver": "",
"VolumesFrom": null,
"ConsoleSize": [
47,
156
],
"CapAdd": null,
"CapDrop": null,
"CgroupnsMode": "private",
"Dns": [],
"DnsOptions": [],
"DnsSearch": [],
"ExtraHosts": null,
"GroupAdd": null,
"IpcMode": "private",
"Cgroup": "",
"Links": null,
"OomScoreAdj": 0,
"PidMode": "",
"Privileged": false,
"PublishAllPorts": false,
"ReadonlyRootfs": false,
"SecurityOpt": null,
"UTSMode": "",
"UsernsMode": "",
"ShmSize": 67108864,
"Runtime": "runc",
"Isolation": "",
"CpuShares": 0,
"Memory": 0,
"NanoCpus": 0,
"CgroupParent": "",
"BlkioWeight": 0,
"BlkioWeightDevice": [],
"BlkioDeviceReadBps": [],
"BlkioDeviceWriteBps": [],
"BlkioDeviceReadIOps": [],
"BlkioDeviceWriteIOps": [],
"CpuPeriod": 0,
"CpuQuota": 0,
"CpuRealtimePeriod": 0,
"CpuRealtimeRuntime": 0,
"CpusetCpus": "",
"CpusetMems": "",
"Devices": [],
"DeviceCgroupRules": null,
"DeviceRequests": null,
"MemoryReservation": 0,
"MemorySwap": 0,
"MemorySwappiness": null,
"OomKillDisable": null,
"PidsLimit": null,
"Ulimits": [
{
"Name": "nofile",
"Hard": 65536,
"Soft": 32768
}
],
"CpuCount": 0,
"CpuPercent": 0,
"IOMaximumIOps": 0,
"IOMaximumBandwidth": 0,
"MaskedPaths": [
"/proc/asound",
"/proc/acpi",
"/proc/kcore",
"/proc/keys",
"/proc/latency_stats",
"/proc/timer_list",
"/proc/timer_stats",
"/proc/sched_debug",
"/proc/scsi",
"/sys/firmware",
"/sys/devices/virtual/powercap"
],
"ReadonlyPaths": [
"/proc/bus",
"/proc/fs",
"/proc/irq",
"/proc/sys",
"/proc/sysrq-trigger"
]
},
"GraphDriver": {
"Data": {
"LowerDir": "/var/lib/docker/overlay2/143a5bdea27a2effa690edb4ba0f07ea3d66e31187c47fda56541ab655252657-init/diff:/var/lib/docker/overlay2/8cfwcgas0ssszp5wjqyrjndy8/diff:/var/lib/docker/overlay2/l8eltw2xp3nlwm8for2n4ft0p/diff:/var/lib/docker/overlay2/7ea965173809298e7709b2390e86e384bd80a8c7af5174df4cee374b82c65a42/diff",
"MergedDir": "/var/lib/docker/overlay2/143a5bdea27a2effa690edb4ba0f07ea3d66e31187c47fda56541ab655252657/merged",
"UpperDir": "/var/lib/docker/overlay2/143a5bdea27a2effa690edb4ba0f07ea3d66e31187c47fda56541ab655252657/diff",
"WorkDir": "/var/lib/docker/overlay2/143a5bdea27a2effa690edb4ba0f07ea3d66e31187c47fda56541ab655252657/work"
},
"Name": "overlay2"
},
"Mounts": [],
"Config": {
"Hostname": "512501b3acdf",
"Domainname": "",
"User": "",
"AttachStdin": true,
"AttachStdout": true,
"AttachStderr": true,
"ExposedPorts": {
"80/tcp": {}
},
"Tty": true,
"OpenStdin": true,
"StdinOnce": true,
"Env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
],
"Cmd": [
"apache2ctl",
"-D",
"FOREGROUND"
],
"Image": "myimage",
"Volumes": null,
"WorkingDir": "",
"Entrypoint": null,
"OnBuild": null,
"Labels": {
"org.opencontainers.image.ref.name": "ubuntu",
"org.opencontainers.image.version": "24.04"
}
},
"NetworkSettings": {
"Bridge": "",
"SandboxID": "d15ae6accc0bc38e69a75943fee8d05a658f7c861f6846b9588e4bfc0490feaa",
"SandboxKey": "/var/run/docker/netns/d15ae6accc0b",
"Ports": {
"80/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "80"
},
{
"HostIp": "::",
"HostPort": "80"
}
]
},
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "96247ab9609a6d76db71676727f8d51a585541f07cdc5c725d602d172ea5d221",
"Gateway": "172.17.0.1",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"MacAddress": "02:42:ac:11:00:02",
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"MacAddress": "02:42:ac:11:00:02",
"NetworkID": "b35f295394a20092b035d71390f5eede9a965806929faca0bc636a9076e4ef7f",
"EndpointID": "96247ab9609a6d76db71676727f8d51a585541f07cdc5c725d602d172ea5d221",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"DriverOpts": null,
"DNSNames": null
}
}
}
}
]
[root@ip-172-31-12-251 ec2-user]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
myimage latest b5a66fc84aee 13 minutes ago 278MB
[root@ip-172-31-12-251 ec2-user]# docker run -it --name web2 443:443 myimage
Unable to find image '443:443' locally
docker: Error response from daemon: pull access denied for 443, repository does not exist or may require 'docker login': denied: requested access to the resource is denied.
See 'docker run --help'.
[root@ip-172-31-12-251 ec2-user]# ls
file index.html
[root@ip-172-31-12-251 ec2-user]# docker run -it --name web2 -p 443:443 myimage
AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.17.0.3. Set the 'ServerName' directive globally to suppress this message
[root@ip-172-31-12-251 ec2-user]#
[root@ip-172-31-12-251 ec2-user]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a48a4dbb9cfa myimage "apache2ctl -D FOREG…" 17 seconds ago Up 16 seconds 0.0.0.0:443->443/tcp, :::443->443/tcp web2
512501b3acdf myimage "apache2ctl -D FOREG…" 6 minutes ago Up 6 minutes 0.0.0.0:80->80/tcp, :::80->80/tcp con1
[root@ip-172-31-12-251 ec2-user]# docker inspect a48a4dbb9cfa
[
{
"Id": "a48a4dbb9cfa7ef0d63ddad804a96e447a4626be3559b6394902edb8b7a52a12",
"Created": "2025-12-21T16:43:56.443438994Z",
"Path": "apache2ctl",
"Args": [
"-D",
"FOREGROUND"
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 33060,
"ExitCode": 0,
"Error": "",
"StartedAt": "2025-12-21T16:43:56.872225898Z",
"FinishedAt": "0001-01-01T00:00:00Z"
},
"Image": "sha256:b5a66fc84aee6bd589b5e962c4a48461a7c8f18d66ce666e508832eb75a4c89e",
"ResolvConfPath": "/var/lib/docker/containers/a48a4dbb9cfa7ef0d63ddad804a96e447a4626be3559b6394902edb8b7a52a12/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/a48a4dbb9cfa7ef0d63ddad804a96e447a4626be3559b6394902edb8b7a52a12/hostname",
"HostsPath": "/var/lib/docker/containers/a48a4dbb9cfa7ef0d63ddad804a96e447a4626be3559b6394902edb8b7a52a12/hosts",
"LogPath": "/var/lib/docker/containers/a48a4dbb9cfa7ef0d63ddad804a96e447a4626be3559b6394902edb8b7a52a12/a48a4dbb9cfa7ef0d63ddad804a96e447a4626be3559b6394902edb8b7a52a12-json.log",
"Name": "/web2",
"RestartCount": 0,
"Driver": "overlay2",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "",
"ExecIDs": null,
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LogConfig": {
"Type": "json-file",
"Config": {}
},
"NetworkMode": "default",
"PortBindings": {
"443/tcp": [
{
"HostIp": "",
"HostPort": "443"
}
]
},
"RestartPolicy": {
"Name": "no",
"MaximumRetryCount": 0
},
"AutoRemove": false,
"VolumeDriver": "",
"VolumesFrom": null,
"ConsoleSize": [
47,
156
],
"CapAdd": null,
"CapDrop": null,
"CgroupnsMode": "private",
"Dns": [],
"DnsOptions": [],
"DnsSearch": [],
"ExtraHosts": null,
"GroupAdd": null,
"IpcMode": "private",
"Cgroup": "",
"Links": null,
"OomScoreAdj": 0,
"PidMode": "",
"Privileged": false,
"PublishAllPorts": false,
"ReadonlyRootfs": false,
"SecurityOpt": null,
"UTSMode": "",
"UsernsMode": "",
"ShmSize": 67108864,
"Runtime": "runc",
"Isolation": "",
"CpuShares": 0,
"Memory": 0,
"NanoCpus": 0,
"CgroupParent": "",
"BlkioWeight": 0,
"BlkioWeightDevice": [],
"BlkioDeviceReadBps": [],
"BlkioDeviceWriteBps": [],
"BlkioDeviceReadIOps": [],
"BlkioDeviceWriteIOps": [],
"CpuPeriod": 0,
"CpuQuota": 0,
"CpuRealtimePeriod": 0,
"CpuRealtimeRuntime": 0,
"CpusetCpus": "",
"CpusetMems": "",
"Devices": [],
"DeviceCgroupRules": null,
"DeviceRequests": null,
"MemoryReservation": 0,
"MemorySwap": 0,
"MemorySwappiness": null,
"OomKillDisable": null,
"PidsLimit": null,
"Ulimits": [
{
"Name": "nofile",
"Hard": 65536,
"Soft": 32768
}
],
"CpuCount": 0,
"CpuPercent": 0,
"IOMaximumIOps": 0,
"IOMaximumBandwidth": 0,
"MaskedPaths": [
"/proc/asound",
"/proc/acpi",
"/proc/kcore",
"/proc/keys",
"/proc/latency_stats",
"/proc/timer_list",
"/proc/timer_stats",
"/proc/sched_debug",
"/proc/scsi",
"/sys/firmware",
"/sys/devices/virtual/powercap"
],
"ReadonlyPaths": [
"/proc/bus",
"/proc/fs",
"/proc/irq",
"/proc/sys",
"/proc/sysrq-trigger"
]
},
"GraphDriver": {
"Data": {
"LowerDir": "/var/lib/docker/overlay2/a05ef2471b1dcee9a906145d8ad664692c540fc95567bc97c5acafe2127df348-init/diff:/var/lib/docker/overlay2/8cfwcgas0ssszp5wjqyrjndy8/diff:/var/lib/docker/overlay2/l8eltw2xp3nlwm8for2n4ft0p/diff:/var/lib/docker/overlay2/7ea965173809298e7709b2390e86e384bd80a8c7af5174df4cee374b82c65a42/diff",
"MergedDir": "/var/lib/docker/overlay2/a05ef2471b1dcee9a906145d8ad664692c540fc95567bc97c5acafe2127df348/merged",
"UpperDir": "/var/lib/docker/overlay2/a05ef2471b1dcee9a906145d8ad664692c540fc95567bc97c5acafe2127df348/diff",
"WorkDir": "/var/lib/docker/overlay2/a05ef2471b1dcee9a906145d8ad664692c540fc95567bc97c5acafe2127df348/work"
},
"Name": "overlay2"
},
"Mounts": [],
"Config": {
"Hostname": "a48a4dbb9cfa",
"Domainname": "",
"User": "",
"AttachStdin": true,
"AttachStdout": true,
"AttachStderr": true,
"ExposedPorts": {
"443/tcp": {}
},
"Tty": true,
"OpenStdin": true,
"StdinOnce": true,
"Env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
],
"Cmd": [
"apache2ctl",
"-D",
"FOREGROUND"
],
"Image": "myimage",
"Volumes": null,
"WorkingDir": "",
"Entrypoint": null,
"OnBuild": null,
"Labels": {
"org.opencontainers.image.ref.name": "ubuntu",
"org.opencontainers.image.version": "24.04"
}
},
"NetworkSettings": {
"Bridge": "",
"SandboxID": "3dfefa2f3a9e30aaa0c447d4f2c48e3cb73f9cb5769b2a587b76e3c6d6a08930",
"SandboxKey": "/var/run/docker/netns/3dfefa2f3a9e",
"Ports": {
"443/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "443"
},
{
"HostIp": "::",
"HostPort": "443"
}
]
},
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "5c63f4bf09e7c8d62b2554a386240fda50f1f8510b2caa4a65848afc63dc93cd",
"Gateway": "172.17.0.1",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "172.17.0.3",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"MacAddress": "02:42:ac:11:00:03",
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"MacAddress": "02:42:ac:11:00:03",
"NetworkID": "b35f295394a20092b035d71390f5eede9a965806929faca0bc636a9076e4ef7f",
"EndpointID": "5c63f4bf09e7c8d62b2554a386240fda50f1f8510b2caa4a65848afc63dc93cd",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.3",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"DriverOpts": null,
"DNSNames": null
}
}
}
}
]
[root@ip-172-31-12-251 ec2-user]#
[root@ip-172-31-12-251 ec2-user]# docker network ls
NETWORK ID NAME DRIVER SCOPE
b35f295394a2 bridge bridge local
888146c4d0d3 host host local
c92fef13a7ac none null local
[root@ip-172-31-12-251 ec2-user]# docker network create -d bridge mybridge
1b60491166682a1f45dc2f668b8bc0cfad80075d9bec5f05e175a819cdb51363
[root@ip-172-31-12-251 ec2-user]# docker network ls
NETWORK ID NAME DRIVER SCOPE
b35f295394a2 bridge bridge local
888146c4d0d3 host host local
1b6049116668 mybridge bridge local
c92fef13a7ac none null local
[root@ip-172-31-12-251 ec2-user]# docker inspect mybridge
[
{
"Name": "mybridge",
"Id": "1b60491166682a1f45dc2f668b8bc0cfad80075d9bec5f05e175a819cdb51363",
"Created": "2025-12-21T16:52:35.402511157Z",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": {},
"Config": [
{
"Subnet": "172.18.0.0/16",
"Gateway": "172.18.0.1"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {},
"Options": {},
"Labels": {}
}
]
[root@ip-172-31-12-251 ec2-user]# docker network create -d bridge --subnet 192.168.1.0/24 mybridge2
41fad99f11124158abba0fa380c3c0f0f2f149a13ec31c5db7a161eb8680dbfa
[root@ip-172-31-12-251 ec2-user]# docker network ls
NETWORK ID NAME DRIVER SCOPE
b35f295394a2 bridge bridge local
888146c4d0d3 host host local
1b6049116668 mybridge bridge local
41fad99f1112 mybridge2 bridge local
c92fef13a7ac none null local
[root@ip-172-31-12-251 ec2-user]# docker inspect mybridge2
[
{
"Name": "mybridge2",
"Id": "41fad99f11124158abba0fa380c3c0f0f2f149a13ec31c5db7a161eb8680dbfa",
"Created": "2025-12-21T16:55:21.979480393Z",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": {},
"Config": [
{
"Subnet": "192.168.1.0/24"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {},
"Options": {},
"Labels": {}
}
]
[root@ip-172-31-12-251 ec2-user]# docker network ls
NETWORK ID NAME DRIVER SCOPE
b35f295394a2 bridge bridge local
888146c4d0d3 host host local
1b6049116668 mybridge bridge local
41fad99f1112 mybridge2 bridge local
c92fef13a7ac none null local
[root@ip-172-31-12-251 ec2-user]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a48a4dbb9cfa myimage "apache2ctl -D FOREG…" 13 minutes ago Up 13 minutes 0.0.0.0:443->443/tcp, :::443->443/tcp web2
512501b3acdf myimage "apache2ctl -D FOREG…" 19 minutes ago Up 19 minutes 0.0.0.0:80->80/tcp, :::80->80/tcp con1
[root@ip-172-31-12-251 ec2-user]# docker network disconnect bridge con1
[root@ip-172-31-12-251 ec2-user]# docker inspect bridge
[
{
"Name": "bridge",
"Id": "b35f295394a20092b035d71390f5eede9a965806929faca0bc636a9076e4ef7f",
"Created": "2025-12-21T16:21:17.872875302Z",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": [
{
"Subnet": "172.17.0.0/16",
"Gateway": "172.17.0.1"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {
"a48a4dbb9cfa7ef0d63ddad804a96e447a4626be3559b6394902edb8b7a52a12": {
"Name": "web2",
"EndpointID": "5c63f4bf09e7c8d62b2554a386240fda50f1f8510b2caa4a65848afc63dc93cd",
"MacAddress": "02:42:ac:11:00:03",
"IPv4Address": "172.17.0.3/16",
"IPv6Address": ""
}
},
"Options": {
"com.docker.network.bridge.default_bridge": "true",
"com.docker.network.bridge.enable_icc": "true",
"com.docker.network.bridge.enable_ip_masquerade": "true",
"com.docker.network.bridge.host_binding_ipv4": "0.0.0.0",
"com.docker.network.bridge.name": "docker0",
"com.docker.network.driver.mtu": "1500"
},
"Labels": {}
}
]
[root@ip-172-31-12-251 ec2-user]#
[root@ip-172-31-12-251 ec2-user]# docker inspect con1
[
{
"Id": "512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18",
"Created": "2025-12-21T16:37:52.689992248Z",
"Path": "apache2ctl",
"Args": [
"-D",
"FOREGROUND"
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 32565,
"ExitCode": 0,
"Error": "",
"StartedAt": "2025-12-21T16:37:53.088834676Z",
"FinishedAt": "0001-01-01T00:00:00Z"
},
"Image": "sha256:b5a66fc84aee6bd589b5e962c4a48461a7c8f18d66ce666e508832eb75a4c89e",
"ResolvConfPath": "/var/lib/docker/containers/512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18/hostname",
"HostsPath": "/var/lib/docker/containers/512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18/hosts",
"LogPath": "/var/lib/docker/containers/512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18/512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18-json.log",
"Name": "/con1",
"RestartCount": 0,
"Driver": "overlay2",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "",
"ExecIDs": null,
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LogConfig": {
"Type": "json-file",
"Config": {}
},
"NetworkMode": "default",
"PortBindings": {
"80/tcp": [
{
"HostIp": "",
"HostPort": "80"
}
]
},
"RestartPolicy": {
"Name": "no",
"MaximumRetryCount": 0
},
"AutoRemove": false,
"VolumeDriver": "",
"VolumesFrom": null,
"ConsoleSize": [
47,
156
],
"CapAdd": null,
"CapDrop": null,
"CgroupnsMode": "private",
"Dns": [],
"DnsOptions": [],
"DnsSearch": [],
"ExtraHosts": null,
"GroupAdd": null,
"IpcMode": "private",
"Cgroup": "",
"Links": null,
"OomScoreAdj": 0,
"PidMode": "",
"Privileged": false,
"PublishAllPorts": false,
"ReadonlyRootfs": false,
"SecurityOpt": null,
"UTSMode": "",
"UsernsMode": "",
"ShmSize": 67108864,
"Runtime": "runc",
"Isolation": "",
"CpuShares": 0,
"Memory": 0,
"NanoCpus": 0,
"CgroupParent": "",
"BlkioWeight": 0,
"BlkioWeightDevice": [],
"BlkioDeviceReadBps": [],
"BlkioDeviceWriteBps": [],
"BlkioDeviceReadIOps": [],
"BlkioDeviceWriteIOps": [],
"CpuPeriod": 0,
"CpuQuota": 0,
"CpuRealtimePeriod": 0,
"CpuRealtimeRuntime": 0,
"CpusetCpus": "",
"CpusetMems": "",
"Devices": [],
"DeviceCgroupRules": null,
"DeviceRequests": null,
"MemoryReservation": 0,
"MemorySwap": 0,
"MemorySwappiness": null,
"OomKillDisable": null,
"PidsLimit": null,
"Ulimits": [
{
"Name": "nofile",
"Hard": 65536,
"Soft": 32768
}
],
"CpuCount": 0,
"CpuPercent": 0,
"IOMaximumIOps": 0,
"IOMaximumBandwidth": 0,
"MaskedPaths": [
"/proc/asound",
"/proc/acpi",
"/proc/kcore",
"/proc/keys",
"/proc/latency_stats",
"/proc/timer_list",
"/proc/timer_stats",
"/proc/sched_debug",
"/proc/scsi",
"/sys/firmware",
"/sys/devices/virtual/powercap"
],
"ReadonlyPaths": [
"/proc/bus",
"/proc/fs",
"/proc/irq",
"/proc/sys",
"/proc/sysrq-trigger"
]
},
"GraphDriver": {
"Data": {
"LowerDir": "/var/lib/docker/overlay2/143a5bdea27a2effa690edb4ba0f07ea3d66e31187c47fda56541ab655252657-init/diff:/var/lib/docker/overlay2/8cfwcgas0ssszp5wjqyrjndy8/diff:/var/lib/docker/overlay2/l8eltw2xp3nlwm8for2n4ft0p/diff:/var/lib/docker/overlay2/7ea965173809298e7709b2390e86e384bd80a8c7af5174df4cee374b82c65a42/diff",
"MergedDir": "/var/lib/docker/overlay2/143a5bdea27a2effa690edb4ba0f07ea3d66e31187c47fda56541ab655252657/merged",
"UpperDir": "/var/lib/docker/overlay2/143a5bdea27a2effa690edb4ba0f07ea3d66e31187c47fda56541ab655252657/diff",
"WorkDir": "/var/lib/docker/overlay2/143a5bdea27a2effa690edb4ba0f07ea3d66e31187c47fda56541ab655252657/work"
},
"Name": "overlay2"
},
"Mounts": [],
"Config": {
"Hostname": "512501b3acdf",
"Domainname": "",
"User": "",
"AttachStdin": true,
"AttachStdout": true,
"AttachStderr": true,
"ExposedPorts": {
"80/tcp": {}
},
"Tty": true,
"OpenStdin": true,
"StdinOnce": true,
"Env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
],
"Cmd": [
"apache2ctl",
"-D",
"FOREGROUND"
],
"Image": "myimage",
"Volumes": null,
"WorkingDir": "",
"Entrypoint": null,
"OnBuild": null,
"Labels": {
"org.opencontainers.image.ref.name": "ubuntu",
"org.opencontainers.image.version": "24.04"
}
},
"NetworkSettings": {
"Bridge": "",
"SandboxID": "d15ae6accc0bc38e69a75943fee8d05a658f7c861f6846b9588e4bfc0490feaa",
"SandboxKey": "/var/run/docker/netns/d15ae6accc0b",
"Ports": {},
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "",
"Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "",
"IPPrefixLen": 0,
"IPv6Gateway": "",
"MacAddress": "",
"Networks": {}
}
}
]
[root@ip-172-31-12-251 ec2-user]# docker network ls
NETWORK ID NAME DRIVER SCOPE
b35f295394a2 bridge bridge local
888146c4d0d3 host host local
1b6049116668 mybridge bridge local
41fad99f1112 mybridge2 bridge local
c92fef13a7ac none null local
[root@ip-172-31-12-251 ec2-user]# docker run
"docker run" requires at least 1 argument.
See 'docker run --help'.
Usage: docker run [OPTIONS] IMAGE [COMMAND] [ARG...]
Create and run a new container from an image
[root@ip-172-31-12-251 ec2-user]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a48a4dbb9cfa myimage "apache2ctl -D FOREG…" 16 minutes ago Up 16 minutes 0.0.0.0:443->443/tcp, :::443->443/tcp web2
512501b3acdf myimage "apache2ctl -D FOREG…" 23 minutes ago Up 23 minutes con1
[root@ip-172-31-12-251 ec2-user]# docker network connect mybridge2 con1
[root@ip-172-31-12-251 ec2-user]# docker attach con1
[root@ip-172-31-12-251 ec2-user]# docker attach con1
You cannot attach to a stopped container, start it first
[root@ip-172-31-12-251 ec2-user]# docker start con1
con1
[root@ip-172-31-12-251 ec2-user]# docker attach con1
[root@ip-172-31-12-251 ec2-user]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a48a4dbb9cfa myimage "apache2ctl -D FOREG…" 18 minutes ago Up 18 minutes 0.0.0.0:443->443/tcp, :::443->443/tcp web2
512501b3acdf myimage "apache2ctl -D FOREG…" 24 minutes ago Exited (0) 15 seconds ago con1
[root@ip-172-31-12-251 ec2-user]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a48a4dbb9cfa myimage "apache2ctl -D FOREG…" 18 minutes ago Up 18 minutes 0.0.0.0:443->443/tcp, :::443->443/tcp web2
[root@ip-172-31-12-251 ec2-user]# docker start con1
con1
[root@ip-172-31-12-251 ec2-user]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a48a4dbb9cfa myimage "apache2ctl -D FOREG…" 18 minutes ago Up 18 minutes 0.0.0.0:443->443/tcp, :::443->443/tcp web2
512501b3acdf myimage "apache2ctl -D FOREG…" 24 minutes ago Up 3 seconds 0.0.0.0:80->80/tcp, :::80->80/tcp con1
[root@ip-172-31-12-251 ec2-user]# docker attach con1
[root@ip-172-31-12-251 ec2-user]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a48a4dbb9cfa myimage "apache2ctl -D FOREG…" 18 minutes ago Up 18 minutes 0.0.0.0:443->443/tcp, :::443->443/tcp web2
[root@ip-172-31-12-251 ec2-user]# docker network disconnect mybridge2 con1
[root@ip-172-31-12-251 ec2-user]# docker network connect mybridgw con1
[root@ip-172-31-12-251 ec2-user]# docker start con1
Error response from daemon: network mybridgw not found
Error: failed to start containers: con1
[root@ip-172-31-12-251 ec2-user]# docker network connect mybridg2 con1
[root@ip-172-31-12-251 ec2-user]# docker inspect con1
[
{
"Id": "512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18",
"Created": "2025-12-21T16:37:52.689992248Z",
"Path": "apache2ctl",
"Args": [
"-D",
"FOREGROUND"
],
"State": {
"Status": "exited",
"Running": false,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 0,
"ExitCode": 128,
"Error": "network mybridgw not found",
"StartedAt": "2025-12-21T17:02:15.492373114Z",
"FinishedAt": "2025-12-21T17:02:26.508760822Z"
},
"Image": "sha256:b5a66fc84aee6bd589b5e962c4a48461a7c8f18d66ce666e508832eb75a4c89e",
"ResolvConfPath": "/var/lib/docker/containers/512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18/hostname",
"HostsPath": "/var/lib/docker/containers/512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18/hosts",
"LogPath": "/var/lib/docker/containers/512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18/512501b3acdf4885d2370473d6372f83c189b3f3f84a996b727cca33353ffb18-json.log",
"Name": "/con1",
"RestartCount": 0,
"Driver": "overlay2",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "",
"ExecIDs": null,
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LogConfig": {
"Type": "json-file",
"Config": {}
},
"NetworkMode": "default",
"PortBindings": {
"80/tcp": [
{
"HostIp": "",
"HostPort": "80"
}
]
},
"RestartPolicy": {
"Name": "no",
"MaximumRetryCount": 0
},
"AutoRemove": false,
"VolumeDriver": "",
"VolumesFrom": null,
"ConsoleSize": [
47,
156
],
"CapAdd": null,
"CapDrop": null,
"CgroupnsMode": "private",
"Dns": [],
"DnsOptions": [],
"DnsSearch": [],
"ExtraHosts": null,
"GroupAdd": null,
"IpcMode": "private",
"Cgroup": "",
"Links": null,
"OomScoreAdj": 0,
"PidMode": "",
"Privileged": false,
"PublishAllPorts": false,
"ReadonlyRootfs": false,
"SecurityOpt": null,
"UTSMode": "",
"UsernsMode": "",
"ShmSize": 67108864,
"Runtime": "runc",
"Isolation": "",
"CpuShares": 0,
"Memory": 0,
"NanoCpus": 0,
"CgroupParent": "",
"BlkioWeight": 0,
"BlkioWeightDevice": [],
"BlkioDeviceReadBps": [],
"BlkioDeviceWriteBps": [],
"BlkioDeviceReadIOps": [],
"BlkioDeviceWriteIOps": [],
"CpuPeriod": 0,
"CpuQuota": 0,
"CpuRealtimePeriod": 0,