As Docker 🐬 adoption accelerates, developing core Docker literacy is becoming essential for developers, data scientists, QA engineers, and other technical roles.
Regardless of your technical role, grasping these fundamental Docker concepts and commands is crucial:
🟡 𝗜𝗺𝗮𝗴𝗲 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁
- Use 𝚍𝚘𝚌𝚔𝚎𝚛 𝚋𝚞𝚒𝚕𝚍 to create images from Dockerfiles, the blueprint for containers.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚙𝚞𝚕𝚕 to download pre-built images from registries like Docker Hub.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚙𝚞𝚜𝚑 to upload your images to remote registries.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚒𝚖𝚊𝚐𝚎𝚜 lists locally stored images.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚛𝚖𝚒 removes unwanted images.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚝𝚊𝚐 tags images for organizational purposes.
🟡 𝗖𝗼𝗻𝘁𝗮𝗶𝗻𝗲𝗿 𝗟𝗶𝗳𝗲𝗰𝘆𝗰𝗹𝗲
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚛𝚞𝚗 launches a container from an image.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚜𝚝𝚘𝚙 and 𝚍𝚘𝚌𝚔𝚎𝚛 𝚔𝚒𝚕𝚕 halt running containers gracefully or forcibly.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚛𝚎𝚜𝚝𝚊𝚛𝚝 restarts a stopped container.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚛𝚎𝚗𝚊𝚖𝚎 to rename existing containers.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚕𝚘𝚐𝚜 prints logs of a container.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚎𝚡𝚎𝚌 runs commands interactively in a container.
🟡 𝗡𝗲𝘁𝘄𝗼𝗿𝗸𝗶𝗻𝗴 𝗮𝗻𝗱 𝗦𝘁𝗼𝗿𝗮𝗴𝗲
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚗𝚎𝚝𝚠𝚘𝚛𝚔 manages custom networks containers connect to.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚟𝚘𝚕𝚞𝚖𝚎 creates sharable storage volumes containers can mount.
🟡 𝗠𝗮𝗶𝗻𝘁𝗲𝗻𝗮𝗻𝗰𝗲
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚜𝚢𝚜𝚝𝚎𝚖 𝚙𝚛𝚞𝚗𝚎 cleans up unused containers, images, volumes, etc.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚛𝚖 deletes stopped containers.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚒𝚗𝚜𝚙𝚎𝚌𝚝 shows in-depth info on a container.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚜𝚝𝚊𝚝𝚜 provides real-time container resource usage stats.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚙𝚜 lists running containers.
🟡 𝗗𝗼𝗰𝗸𝗲𝗿 𝗖𝗼𝗺𝗽𝗼𝘀𝗲
- 𝚍𝚘𝚌𝚔𝚎𝚛-𝚌𝚘𝚖𝚙𝚘𝚜𝚎 𝚞𝚙 starts an multi-container app from a compose file.
- 𝚍𝚘𝚌𝚔𝚎𝚛-𝚌𝚘𝚖𝚙𝚘𝚜𝚎 𝚍𝚘𝚠𝚗 stops and destroys the resources.
- 𝚍𝚘𝚌𝚔𝚎𝚛-𝚌𝚘𝚖𝚙𝚘𝚜𝚎 𝚕𝚘𝚐𝚜 aggregates logs from the containers.
🟡 𝗔𝗱𝗱𝗶𝘁𝗶𝗼𝗻𝗮𝗹 𝗖𝗼𝗺𝗺𝗮𝗻𝗱𝘀
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚌𝚙 copies files between host and containers.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚍𝚒𝚏𝚏 shows filesystem changes in a container.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚝𝚘𝚙 displays running processes in a container.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚜𝚎𝚊𝚛𝚌𝚑 searches for images on Docker Hub.
✈️ 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!!
Regardless of your technical role, grasping these fundamental Docker concepts and commands is crucial:
- Use 𝚍𝚘𝚌𝚔𝚎𝚛 𝚋𝚞𝚒𝚕𝚍 to create images from Dockerfiles, the blueprint for containers.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚙𝚞𝚕𝚕 to download pre-built images from registries like Docker Hub.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚙𝚞𝚜𝚑 to upload your images to remote registries.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚒𝚖𝚊𝚐𝚎𝚜 lists locally stored images.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚛𝚖𝚒 removes unwanted images.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚝𝚊𝚐 tags images for organizational purposes.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚛𝚞𝚗 launches a container from an image.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚜𝚝𝚘𝚙 and 𝚍𝚘𝚌𝚔𝚎𝚛 𝚔𝚒𝚕𝚕 halt running containers gracefully or forcibly.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚛𝚎𝚜𝚝𝚊𝚛𝚝 restarts a stopped container.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚛𝚎𝚗𝚊𝚖𝚎 to rename existing containers.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚕𝚘𝚐𝚜 prints logs of a container.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚎𝚡𝚎𝚌 runs commands interactively in a container.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚗𝚎𝚝𝚠𝚘𝚛𝚔 manages custom networks containers connect to.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚟𝚘𝚕𝚞𝚖𝚎 creates sharable storage volumes containers can mount.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚜𝚢𝚜𝚝𝚎𝚖 𝚙𝚛𝚞𝚗𝚎 cleans up unused containers, images, volumes, etc.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚛𝚖 deletes stopped containers.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚒𝚗𝚜𝚙𝚎𝚌𝚝 shows in-depth info on a container.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚜𝚝𝚊𝚝𝚜 provides real-time container resource usage stats.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚙𝚜 lists running containers.
- 𝚍𝚘𝚌𝚔𝚎𝚛-𝚌𝚘𝚖𝚙𝚘𝚜𝚎 𝚞𝚙 starts an multi-container app from a compose file.
- 𝚍𝚘𝚌𝚔𝚎𝚛-𝚌𝚘𝚖𝚙𝚘𝚜𝚎 𝚍𝚘𝚠𝚗 stops and destroys the resources.
- 𝚍𝚘𝚌𝚔𝚎𝚛-𝚌𝚘𝚖𝚙𝚘𝚜𝚎 𝚕𝚘𝚐𝚜 aggregates logs from the containers.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚌𝚙 copies files between host and containers.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚍𝚒𝚏𝚏 shows filesystem changes in a container.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚝𝚘𝚙 displays running processes in a container.
- 𝚍𝚘𝚌𝚔𝚎𝚛 𝚜𝚎𝚊𝚛𝚌𝚑 searches for images on Docker Hub.
Developing familiarity with these core Docker capabilities empowers you to containerize applications and streamline development workflows.
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But If I was learning kubernetes today, then I would follow the path shown below in the diagram and never jump to K8s or docker directly.
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Production is a live concert, and bugs found there are heard by the entire audience. It’s also like playing with fire, one misstep, and your reputation may get burned.
"😂 😂 😂 "
✈️ 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!!
"
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If you want to become a Certified Kubernetes Administrator, or you want to become an EXPERT in Kubernetes, learn Kubernetes from scratch and understand everything, this repo is a good choice.
1. Kubernetes
2. Helm
3. Operator
4. Prometheus
5. EKS
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8 FREE💲 Udemy Docker Courses from Beginner to Professional 🚀
➡️ Beginners
🔵 Docker for the Absolute Beginner
➡️ https://lnkd.in/eSDNg-Xv
🟡 Docker Tutorial for Beginners practical hands on -Devops
➡️ https://lnkd.in/eTGeQ_dW
🩷 Docker Essentials
➡️ https://lnkd.in/edTFpFxY
🔴 Docker Before Compose - Learn Docker by Example
➡️ https://lnkd.in/eq3_w-7N
🟤 Learn Docker Quickly: A Hands-on approach to learning docker
➡️ https://lnkd.in/ededr6U2
➡️ Professional
🟢 Are You a PRO Series - Docker & Swarm Real Challenges
➡️ https://lnkd.in/em48h_qK
🔵 Docker Swarm Courses
➡️ https://lnkd.in/emr6AaK8
🔴 Building Application Ecosystem with Docker Compose
➡️ https://lnkd.in/eaa43R2f
📱 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!!
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Welcome to the funhouse of endless learning and coffee!
Embracing the #DevOps journey is like opening the door to a world where a few tools' means a labyrinth of technologies, and 'best practices' is a euphemism for 'let's try until it works.' And let's not forget, dreaming in YAML has become a new job requirement!
But here's the twist – amidst the chaos of Kubernetes, the puzzles of CI/CD pipelines, and the maze of monitoring tools lies the real magic of #DevOps. It's not just about tools or practices; it's about building a culture that fosters collaboration, innovation, and continuous learning.
So, to all my fellow DevOps enthusiasts, newbies, and veterans alike, let's raise our coffee mugs to the journey ahead – a journey full of challenges, breakthroughs, and, yes, endless YAML files.
Here’s to keeping our sense of humour as we automate, integrate, and orchestrate the tech world!
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https://harshhaa.hashnode.dev/deployment-of-super-mario-on-kubernetes-using-terraform
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🌟 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!!
Follow
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DevOps & Cloud (AWS, AZURE, GCP) Tech Free Learning
https://harshhaa.hashnode.dev/deployment-of-super-mario-on-kubernetes-using-terraform Follow 🍩 Like 👍 Share 👍 Comment Your thoughts 💬 🌟 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!!
GitHub
GitHub - NotHarshhaa/Deployment-of-super-Mario-on-Kubernetes-using-terraform: 𝙎𝙪𝙥𝙚𝙧 𝙢𝙖𝙧𝙞𝙤 𝙩𝙝𝙚 𝙜𝙖𝙢𝙚 𝙬𝙝𝙞𝙘𝙝 𝙬𝙚 𝙬𝙞𝙡𝙡 𝙣𝙚𝙫𝙚𝙧 𝙛𝙤𝙧𝙜𝙚𝙩 𝙨𝙤…
𝙎𝙪𝙥𝙚𝙧 𝙢𝙖𝙧𝙞𝙤 𝙩𝙝𝙚 𝙜𝙖𝙢𝙚 𝙬𝙝𝙞𝙘𝙝 𝙬𝙚 𝙬𝙞𝙡𝙡 𝙣𝙚𝙫𝙚𝙧 𝙛𝙤𝙧𝙜𝙚𝙩 𝙨𝙤 𝙩𝙤𝙙𝙖𝙮 𝙬𝙚 𝙖𝙧𝙚 𝙜𝙤𝙞𝙣𝙜 𝙩𝙤 𝙙𝙚𝙥𝙡𝙤𝙮𝙚𝙙 𝙞𝙩 𝙤𝙣 𝙀𝙆𝙎 𝙪𝙨𝙞𝙣𝙜 𝙏𝙚𝙧𝙧𝙖𝙛𝙤𝙧𝙢 𝙫𝙞𝙖 𝘼𝙒𝙎 𝙀𝘾2 - NotHarshhaa/Deployment-of-super-Mario-on-Kubernetes-using-terraform
𝐓𝐨𝐩 𝟏𝟎 𝐓𝐫𝐞𝐧𝐝𝐢𝐧𝐠 𝐃𝐞𝐯𝐎𝐩𝐬 𝐓𝐨𝐩𝐢𝐜𝐬 : 𝟐𝟎𝟐𝟒🎯
📱 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!!
1. GitOps
2. CI/CD Pipelines
3. Kubernetes
4. Infrastructure as Code (IaC)
5. Cloud-Native Applications
6. Microservices Architecture
7. Security in DevOps
8. Monitoring and Observability
9. DevSecOps
10. Automation
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Making the right choice between Deployments and StatefulSets in Kubernetes can be a game-changer for your applications. It's not just a technical decision; it's about aligning your architecture with your application's needs!
The impact of this choice is huge:
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Today we look into the Kubernetes system from a bird's eye view.
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Kubernetes has revolutionized the way we handle containerized applications, but it's not without its complexities. Here's a quick dive into why Kubernetes is a game-changer and a note on its intricate nature:
While Kubernetes excels in managing complex applications, its strength can be a challenge for simpler needs. The learning curve is steep, and setting up a Kubernetes environment for a basic app might be like using a sledgehammer to crack a nut. It requires a thoughtful approach - understanding that the power it brings is accompanied by a level of complexity not always necessary for smaller-scale applications.
Kubernetes is incredibly powerful, but it's not a one-size-fits-all solution. For complex, scalable applications, it's a match made in heaven. But for smaller, simpler projects, consider the overhead and whether a simpler solution might meet your needs.
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A meme that's sure to resonate with everyone riding the DevOps and cloud wave. It’s our good pal, Elmo, with 'new certifications' as his latest obsession, while 'projects' and 'study topics' wait in the wings.
✅ Here’s the deal: Certifications are like the cherry on top of your cloud sundry. They're shiny, they're nice, but what really makes the sundae is the scoop of solid knowledge and the sprinkles of hands-on experience.
✅ The thing is, certifications will validate your skills, but they won't build them. You don’t want to be a cert-collecting lab rat lost in a maze of theory. What makes you stand out is not just the badges on your LinkedIn profile but the stories of problem-solving, innovation, and resilience from your actual work.
So, by all means, aim for those certifications – but not before you’ve laid a foundation of practical skills and knowledge. Let's ensure that when we reach for the stars (or certs, in this case), our feet are firmly planted in the cloud soil of expertise.
💬 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!!
Before you dive headfirst into the sea of certifications, anchor yourself in the fundamentals of DevOps and cloud computing. Get your hands dirty with real-world projects. Tinker with Kubernetes, wrestle with Terraform, and flirt with serverless architectures.
So, by all means, aim for those certifications – but not before you’ve laid a foundation of practical skills and knowledge. Let's ensure that when we reach for the stars (or certs, in this case), our feet are firmly planted in the cloud soil of expertise.
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git init - Initialize a new Git repository.git clone - Clone a remote repository to your local machine.git status - Check the current state of your working directory.git add - Stage changes for the next commit.git commit - Record staged changes and create a snapshot.git push - Upload local changes to a remote repository.git pull - Fetch and merge changes from a remote repository.git branch - List, create, or delete branches.git checkout / git switch - Switch between branches or commits.git merge - Integrate changes from one branch into another.git diff - View differences between working directory and staging area.git log - Display a chronological list of commits.Please open Telegram to view this post
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