Generating Go code from JSON Schema documents (25 mins read).
Looking at a couple of common libraries for generating Go structs from JSON Schema documents.
Creating cross-compiled Docker images from Go binaries (4 mins read).
How to create a (Docker) container image that is cross-compiled for different architectures, and includes a Go binary that is also cross-compiled.
by 
Jamie Tanna
.
#blogumentation
#go
#docker.
Accessing your Renovate Dependency Dashboard, without GitHub/GitLab Issues enabled (3 mins read).
Releasing a proof-of-concept to render Dependency Dashboards for repositories that don't have issues enabled, as long as you have a Renovate Report.
Generating a Renovate Report from someone else's repo (1 mins read).
How to get a Renovate Report - with full metadata - from any arbitrary repository.
Checking the digest for a Docker image, using crane (2 mins read).
How to get a Docker image digest, using the crane CLI tool.
What's the difference between Renovate's depName and packageName? (3 mins read).
What the differences are, and where you may want to use one or the other.
My experience as a maintainer (8 mins read).
A guest post for opensource.org, about my experience as a maintainer, as part of 2025's Maintainer Month.
Creating nested fenced code blocks with Hugo (1 mins read).
How to write a Markdown file with a fenced code block, which includes another code block inside it.
by Jamie Tanna
.
#blogumentation
#hugo.
Taking more control over your Cobra CLI documentation (2 mins read).
Releasing a library to manage the generation of Cobra CLI documentation using text/templates.
by Jamie Tanna
.
#blogumentation
#go.
Setting up SSH key signing with Git (1 mins read).
How to sign your Git commits, using SSH keys.
by Jamie Tanna
.
#blogumentation
#git.
Improving the experience of browsing Renovate debug logs (4 mins read).
Creating a Terminal User Interface (TUI) application to improve the debugging experience with Renovate's debug logs.
Looking back at oapi-codegen's last year (6 mins read).
A recap of oapi-codegen's last year, in light of it being Maintainer Month, and continuing to ask for sponsorship.
Overriding a Gradle project property which has . and _ characters, without modifying the buildscript (4 mins read).
How to use GRADLE_OPTS to safely override a Gradle property (with special characters in its name) without modifying the buildscript.
How to set up the 'Follow' button on LinkedIn (1 mins read).
How to allow others to follow you on LinkedIn.
Migrating secrets between two Vault instances (1 mins read).
How to copy secrets from one Vault instance to another, reducing the risk of the secrets being stored on disk for too long.
by Jamie Tanna
.
#blogumentation
#vault.
Using type assertions in Go with concrete types (2 mins read).
How to perform a type assertion on a type in Go that isn't an interface.
by Jamie Tanna
.
#blogumentation
#go.
Getting Renovate to provide a changelog for digest updates to packages (on GitHub.com) (2 mins read).
How to use the new templated changelogUrl functionality to provide more actionable changelogs for digest updates to i.e. GitHub Actions and other digest-pinned dependencies (in this example, on GitHub.com).
Tricking oapi-codegen into working with OpenAPI 3.1 specs (7 mins read).
How to get oapi-codegen to interact with OpenAPI 3.1 specs, until it supports OpenAPI 3.1.
by Jamie Tanna
.
#blogumentation
#oapi-codegen
#openapi
#go.
Gotcha: docker inspect can lie about the architecture of an image (3 mins read).
How incorrectly wiring up your Docker multi-platform builds may lead to docker inspect lying about the architecture of said image.
Rendering diffs for Go's testable examples (3 mins read).
A somewhat hacky solution for providing rich diffs for expected-vs-actual comparisons for testable examples in Go.
by Jamie Tanna
.
#blogumentation
#go
#ruby.
Authoring Markdown externally and pasting the 'pretty' output into Slack (on Linux) (3 mins read).
How to use xclip to copy the rendered representation of Markdown into a rich-text form into Slack.
Things I've learned about building + delivering software for other engineers while working in Engineering Productivity (17 mins read).
13 lessons I've learned about building software for (internal teams of) software engineers.
by Jamie Tanna
.
#developer-experience
#elastic
#deliveroo
#capital-one
#platform-engineering.
Properly patching packages: persistently producing patches for published projects, particularly practically prevented by patch-package policy (10 mins read).
How to use patch-package to modify NPM dependencies, for instance when you're distributing an executable and you want to patch something you rely upon, without relying upon postinstall scripts.
by Jamie Tanna
.
#blogumentation
#nodejs
#npm
#dependency-management-data.
Automagically migrating golangci-lint configuration to v2 with Renovate (2 mins read).
How to get Renovate PRs that update both the version of golangci-lint to v2, and runs the golangci-lint migrate command for you.
I'm on Fallthrough: APIs: Design Imperfectly, Improve Relentlessly (2 mins read).
Announcing my appearance as a guest co-host on Fallthrough, talking about APIs and how to build them.
by Jamie Tanna
.
#podcast
#go
#api.
Logging into Hashicorp Vault via a GitHub token in the environment (1 mins read).
How to more easily log into Vault with a GitHub token, without having to enter it interactively.
Performing group_concat queries over distinct values, with a custom delimiter, with SQLite (2 mins read).
How to avoid SQLite's DISTINCT aggregates must have exactly one argument error when performing a group_concat(distinct ...) with a custom delimiter.
Updating apk add definitions in Dockerfiles (3 mins read).
How to use Renovate's Custom Regex manager to extract apk add definitions in a Dockerfile, to allow managing (un)pinned packages.
I'm on Fallthrough: An Exploration of APIs, Versioning, & HTTP (1 mins read).
Announcing my appearance as a guest on Fallthrough, talking about APIs, versioning, documentation, and more.
by Jamie Tanna
.
#podcast
#go
#api.
Creating single-purpose RSS feeds with Hugo (2 mins read).
How to create a new RSS feed in Hugo for a single page's updates.
by Jamie Tanna
.
#blogumentation
#hugo.
Creating a test harness for validating Renovate Custom Datasource configuration (4 mins read).
How to set up a test harness to make it eaiser to modify scary looking JSONata transformations in your Renovate configuration.
Product requirements for a "fund your dependency tree" service (12 mins read).
Thinking about what functionality I would want as a funder, or a fundee, for a "fund your dependency tree" service.
by Jamie Tanna
.
#open-source.
I'm on Fallthrough: Patching Problems with Persnickety Proxies Purveyed by Paternalistic Princes (2 mins read).
Announcing my appearance as a guest host on Fallthrough, discussing the Go module proxy, pondering 'is Go dead?' and whether the Go team at Google have our best interests at heart.
by Jamie Tanna
.
#podcast
#go.
Go 1.24's omitzero is another one of the best additions to the ecosystem in years (4 mins read).
Why I'm very excited about the JSON tag, omitzero, landing in Go 1.24.
by Jamie Tanna
.
#blogumentation
#go.
Celebrating dependency-management-data's second birthday (7 mins read).
Reflecting on the last year of the project.
Go 1.24's go tool is one of the best additions to the ecosystem in years (8 mins read).
Why I'm very excited about go tool landing in Go 1.24.
by Jamie Tanna
.
#blogumentation
#go.
Getting access to rich-text data from the clipboard (on Linux) (1 mins read).
How to use xclip to retrieve rich-text output from the clipboard.
Why is zsh no longer storing history? (1 mins read).
Spoiler: you may be missing both HISTSIZE and SAVEHIST variables.
by Jamie Tanna
.
#blogumentation
#zsh.
Accessing private Go modules in a Docker container (3 mins read).
How to use a Personal Access Token or SSH to access a private Go module, from a Docker container.
by Jamie Tanna
.
#blogumentation
#go
#docker.
Getting all comments from a given user on a GitHub Discussion (2 mins read).
How to use the GitHub GraphQL API to retrieve all comments from top-level or reply comments on a GitHub Discussion.
What level of access do I have on that GitHub repository? (2 mins read).
How to check, via the GitHub API, what access a given user has on a repository.
Blocking 'Similar' and 'Because you like ...' suggestions on reddit with uBlock Origin (1 mins read).
How to use uBlock Origin to remove reddit's suggestions in your home feed.
You can now resolve remote presets when using Renovate's local platform in renovate-graph (2 mins read).
Announcing a new release of renovate-graph, which can now follow github> and local> presets.
Some mixed thoughts on The Changelog Podcast Universe (3 mins read).
Some reflections on the bittersweet news about the The Changelog Podcast Universe.
by Jamie Tanna
.
#podcast.
Creating renovate-packagedata-diff to diff Renovate package data dumps (3 mins read).
Announcing the release of renovate-packagedata-diff which makes it possible to provide a semantic diff between different Renovate package data dumps.
Some useful SQL(ite) tips I've learned (5 mins read).
A collection of SQLite snippets I've picked up recently to improve my queries.
I'm a recipient of the 2024 October Engineering Monthly Award Recognition at Elastic (1 mins read).
Announcing winning the 2024 October Engineering Monthly Award Recognition at Elastic.
by Jamie Tanna
.
#job
#career
#elastic.
Gotcha: PersistentPostRunE only runs on successful commands in Cobra (3 mins read).
A possible gotcha when using Cobra to perform cleanup in a PersistentPostRunE.
by Jamie Tanna
.
#blogumentation
#go.
Creating a Neovim plugin for my standup updates (3 mins read).
Documenting some of my thoughts about writing a (Python) Neovim plugin.
The joy of an asynchronous, always updating standup (5 mins read).
Describing how my team does standups across a globally distributed team.
by Jamie Tanna
.
#agile
#scrum
#elastic
#adhd.
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