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A blog is a website whose primary content is a stream of dated entries ("posts") shown newest-first, usually with an author byline and a way to browse older material by category, tag, or archive. It differs from a static site mainly in how content is organized and updated: a static site presents fixed pages you edit in place, while a blog is built around an accumulating timeline of posts. You'd choose a blog when you expect to publish repeatedly over time; you'd choose static pages when the content changes rarely and each page stands alone.

Blog vs. static site vs. wiki

The lines blur in practice. A project site can host a blog as one section, and a blog can contain static pages (About, Contact) alongside the post stream. The distinguishing feature is the post timeline, not the software.

The typical structure of a blog

• Posts — the individual dated entries. Each usually has its own URL, title, date, author, and body.
• Reverse-chronological index — the home page or a "blog" page listing posts newest-first.
• Categories — broad, usually pre-defined groupings (e.g., "Releases," "Tutorials").
• Tags — finer, often free-form labels that can cut across categories.
• Archives — views by month, year, or author for reaching older posts.
• Feeds — an RSS or Atom file that lets readers and other tools subscribe to new posts.
• Comments — optional; some blogs enable them, many disable them to avoid spam and moderation work.

Categories and tags both help readers and search engines, but they only work if you apply them consistently. A common failure is creating a new tag for every post, which produces dozens of one-item tag pages that help no one.

Hosted or self-hosted?

The main decision is who runs the software and the server.

• Hosted platforms (e.g., WordPress.com, Blogger, Medium-style services) handle hosting, updates, and often the domain for you. You trade control and sometimes portability for less maintenance.
• Self-hosted means you install and run the software yourself on a server or static host. You get full control over themes, plugins, and data, but you own backups, updates, and security.

A middle path is a static site generator such as Jekyll, which builds plain HTML files from templates and Markdown posts. These are fast and cheap to host, but they have no built-in comment system or admin interface, so publishing means running a build step. The OpenBVE project homepage, for example, is a project site that publishes dated release notes in a blog-like stream — the August 10, 2026 entry lists OpenBVE v1.14.0.3 changes such as a fix for builds failing to launch on non-Windows platforms and new quality options for viewers. That is the blog pattern applied to software releases: dated, newest-first, each entry a discrete update.

Basic steps to start a blog

1. Decide hosted vs. self-hosted based on how much control and maintenance you want.
2. Choose a platform that matches that choice — a hosted service, a self-hosted CMS, or a static generator.
3. Pick a domain — either a subdomain on the platform or your own registered name. Your own domain makes it easier to move later.
4. Select a theme that is responsive, so it works on phones as well as desktops.
5. Configure the basics — site title, author, time zone, and permalink structure.
6. Write and publish your first post, then verify it appears on the index and at its own URL.
7. Set up a feed so readers can subscribe, and check that it validates.

Ongoing tasks

Publishing is the visible part; the rest is upkeep.

• Comments — if enabled, expect spam. Most platforms offer moderation queues and spam filters; many bloggers simply turn comments off.
• Feeds — keep the feed working and decide whether to publish full text or excerpts.
• SEO basics — descriptive titles, clean URLs, sensible headings, and internal links between related posts. Avoid duplicating the same content across multiple URLs.
• Backups — especially self-hosted. A blog is a database plus files; back up both.
• Updates — self-hosted software needs security patches. Skipping them is the most common way small blogs get compromised.

How to tell it's working

After the first few posts, check that: the index lists posts newest-first, each post has a stable URL, categories and tags resolve to real pages, the feed validates, and the layout holds up on a narrow screen. If any of those fail, fix them before publishing more — structural problems get harder to correct as the archive grows.

Docker's official documentation lives at docs.docker.com, and it is organized so that a beginner can move from "I've never installed Docker" to "my app runs in a container" without leaving the site. The fastest path is: install Docker, complete the Get Started tutorial, then jump to a language-specific guide for your stack. Use the Reference section only when you need exact command syntax, and browse Samples when you want a working project to copy.

This guide explains what each section of Docker Docs is for, gives you a reading order, and shows you how to find things quickly once you're past the basics.

What the main sections of Docker Docs are for

Docker Docs is not a single manual — it's a set of distinct areas, each written for a different moment in your learning. Knowing which one to open saves a lot of time.

The key distinction: Guides and Get Started teach you by doing; Reference tells you exactly what a command accepts. Beginners often get stuck in Reference too early, reading option lists without context. Start with the doing, then look up the details.

A step-by-step reading path for your first container

Follow this order the first time. Each step has a clear "you're done when…" signal.

Step 1: Install Docker

Open the Get Started area and find the installation instructions for your operating system (Docker Desktop for Windows and macOS, or the engine packages for Linux). Install it and confirm it works by running the version check command shown in the docs.

You're done when: a docker command in your terminal returns version information instead of "command not found."

Step 2: Complete the Get Started tutorial

The Get Started tutorial is the single most valuable page for a beginner. It walks you through building an image, running it as a container, and stopping it — using a small sample app so nothing is left to guesswork. Do every command yourself rather than reading passively.

You're done when: you have built an image and seen your container produce output.

Step 3: Understand the core concepts

Before containerizing your own project, read the conceptual material on images, containers, and registries. This is where the mental model clicks: an image is the packaged blueprint, a container is a running instance of it, and a registry is where images are stored and shared.

You're done when: you can explain in one sentence why you build an image before you run a container.

Step 4: Write your first Dockerfile

A Dockerfile is the text file that describes how to build your image. Find the Dockerfile reference in the docs and read the instructions you'll actually use first: FROM, WORKDIR, COPY, RUN, EXPOSE, and CMD. Don't try to learn every instruction — most projects use a small handful.

You're done when: you have a Dockerfile in your project that builds without errors.

Step 5: Build and run your own app

Return to the Guides section and find the guide closest to your language or framework. These guides follow the same build-and-run pattern as the tutorial but applied to real application types, so you can adapt the steps to your code.

You're done when: your own application responds correctly from inside a container.

How to find things fast once you're moving

After the first container works, your needs shift from "learn the flow" to "look up one specific thing." Use these entry points:

• Search — the search box at the top of Docker Docs is the quickest route to a command or instruction. Type the exact command name (for example, a docker run flag) rather than a vague phrase.
• CLI reference — every docker subcommand, its flags, and examples. This is your lookup table, not a tutorial.
• Dockerfile reference — every instruction with syntax and notes. Check here before guessing at an option.
• Compose file reference — when your app grows to multiple containers, this defines them in one file.
• API reference — for when you automate Docker from code instead of the terminal.
• Samples — full projects organized by language and use case. Cloning a sample and modifying it is often faster than starting from a blank file.

A practical habit: when a command fails, copy the exact error into search. The docs pages for commands and instructions usually include the conditions that produce common errors.

Guides vs. Reference: which one do you need right now?

This is the distinction that trips up most beginners, so make it explicit:

• Use a Guide when you are trying to accomplish a task and don't yet know the steps. Guides assume you want an outcome and lead you there.
• Use Reference when you already know the task and need the exact spelling, flag, or field. Reference assumes you know what you're doing and just need precision.

If you find yourself reading a long list of options and feeling lost, you're in Reference too early — go back to a Guide. If you're following a tutorial and it doesn't cover the specific option you need, that's your cue to switch to Reference for that one detail, then return.

A reusable checklist for containerizing any app

Keep this sequence handy for each new project:

1. Confirm Docker is installed and running.
2. Identify your app's language and framework, then open the matching Guide.
3. Write a minimal Dockerfile using only the instructions you need.
4. Build the image and fix any errors using the Dockerfile reference.
5. Run the container and verify the app responds.
6. Add a .dockerignore file so unnecessary files aren't copied into the image.
7. When you add a second service (a database, for example), move to the Compose file reference.
8. Save the commands that worked so you can repeat them next time.

Where to go after your first container

Once one app runs in a container, the natural next steps are multi-container setups with Compose, sharing images through a registry, and automating builds. Each of these has its own Guide and Reference area on Docker Docs, so the same pattern applies: read the Guide to learn the flow, then keep the Reference open for exact syntax.

The documentation is large, but you never need all of it at once. Install, do the Get Started tutorial, containerize your own app with a language guide, and look things up in Reference only when you need a precise answer. That path takes you from zero to a working container without detours.