How To Install and Use Docker on Ubuntu 20.04

𝐷𝑜𝑐𝑘𝑒𝑟 𝑖𝑠 𝑎𝑛 𝑎𝑝𝑝𝑙𝑖𝑐𝑎𝑡𝑖𝑜𝑛 𝑡ℎ𝑎𝑡 𝑠𝑖𝑚𝑝𝑙𝑖𝑓𝑖𝑒𝑠 𝑡ℎ𝑒 𝑝𝑟𝑜𝑐𝑒𝑠𝑠 𝑜𝑓 𝑚𝑎𝑛𝑎𝑔𝑖𝑛𝑔 𝑎𝑝𝑝𝑙𝑖𝑐𝑎𝑡𝑖𝑜𝑛 𝑝𝑟𝑜𝑐𝑒𝑠𝑠𝑒𝑠 𝑖𝑛 𝑐𝑜𝑛𝑡𝑎𝑖𝑛𝑒𝑟𝑠.

𝐶𝑜𝑛𝑡𝑎𝑖𝑛𝑒𝑟𝑠 𝑙𝑒𝑡 𝑦𝑜𝑢 𝑟𝑢𝑛 𝑦𝑜𝑢𝑟 𝑎𝑝𝑝𝑙𝑖𝑐𝑎𝑡𝑖𝑜𝑛𝑠 𝑖𝑛 𝑟𝑒𝑠𝑜𝑢𝑟𝑐𝑒-𝑖𝑠𝑜𝑙𝑎𝑡𝑒𝑑 𝑝𝑟𝑜𝑐𝑒𝑠𝑠𝑒𝑠.

𝑇ℎ𝑒𝑦’𝑟𝑒 𝑠𝑖𝑚𝑖𝑙𝑎𝑟 𝑡𝑜 𝑣𝑖𝑟𝑡𝑢𝑎𝑙 𝑚𝑎𝑐ℎ𝑖𝑛𝑒𝑠, 𝑏𝑢𝑡 𝑐𝑜𝑛𝑡𝑎𝑖𝑛𝑒𝑟𝑠 𝑎𝑟𝑒 𝑚𝑜𝑟𝑒 𝑝𝑜𝑟𝑡𝑎𝑏𝑙𝑒, 𝑚𝑜𝑟𝑒 𝑟𝑒𝑠𝑜𝑢𝑟𝑐𝑒-𝑓𝑟𝑖𝑒𝑛𝑑𝑙𝑦, 𝑎𝑛𝑑 𝑚𝑜𝑟𝑒 𝑑𝑒𝑝𝑒𝑛𝑑𝑒𝑛𝑡 𝑜𝑛 𝑡ℎ𝑒 ℎ𝑜𝑠𝑡 𝑜𝑝𝑒𝑟𝑎𝑡𝑖𝑛𝑔 𝑠𝑦𝑠𝑡𝑒𝑚.

𝐒𝐭𝐞𝐩 𝟏 — 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐢𝐧𝐠 𝐃𝐨𝐜𝐤𝐞𝐫

sudo apt install docker-ce

𝐒𝐭𝐞𝐩 𝟐 — 𝐖𝐨𝐫𝐤𝐢𝐧𝐠 𝐰𝐢𝐭𝐡 𝐃𝐨𝐜𝐤𝐞𝐫 𝐈𝐦𝐚𝐠𝐞𝐬

docker pull ubuntu

𝐒𝐭𝐞𝐩 𝟑 — 𝐑𝐮𝐧𝐧𝐢𝐧𝐠 𝐚 𝐃𝐨𝐜𝐤𝐞𝐫 𝐂𝐨𝐧𝐭𝐚𝐢𝐧𝐞𝐫

docker run -it ubuntu

𝐒𝐭𝐞𝐩 𝟒 — 𝐌𝐚𝐧𝐚𝐠𝐢𝐧𝐠 𝐃𝐨𝐜𝐤𝐞𝐫 𝐂𝐨𝐧𝐭𝐚𝐢𝐧𝐞𝐫𝐬

docker start 1c08a7a0d0e4

docker stop quizzical_mcnulty

docker rm youthful_curie

𝐒𝐭𝐞𝐩 𝟓 — 𝐂𝐨𝐦𝐦𝐢𝐭𝐭𝐢𝐧𝐠 𝐂𝐡𝐚𝐧𝐠𝐞𝐬 𝐢𝐧 𝐚 𝐂𝐨𝐧𝐭𝐚𝐢𝐧𝐞𝐫 𝐭𝐨 𝐚 𝐃𝐨𝐜𝐤𝐞𝐫 𝐈𝐦𝐚𝐠𝐞

docker commit -m "added Node.js" -a "sammy" d9b100f2f636 sammy/ubuntu-nodejs

𝐒𝐭𝐞𝐩 𝟔 — 𝐏𝐮𝐬𝐡𝐢𝐧𝐠 𝐃𝐨𝐜𝐤𝐞𝐫 𝐈𝐦𝐚𝐠𝐞𝐬 𝐭𝐨 𝐚 𝐃𝐨𝐜𝐤𝐞𝐫 𝐑𝐞𝐩𝐨𝐬𝐢𝐭𝐨𝐫𝐲

docker login -u docker-registry-username