Update to use opengraph-image-gen

Dockerfile

@@ -1,31 +1,15 @@
-FROM golang:1.14-alpine as go-builder
-
-ENV GO111MODULE=on
-WORKDIR /app
-
-ADD social-image-gen .
-RUN GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -ldflags="-w -s" -o social-image-gen main.go
-
 FROM debian:buster AS builder
-
 RUN apt-get -qq update \
 	&& DEBIAN_FRONTEND=noninteractive apt-get -qq install -y --no-install-recommends libstdc++6 python-pygments git ca-certificates asciidoc curl \
 	&& rm -rf /var/lib/apt/lists/*
-
 ENV HUGO_VERSION 0.74.3
 ENV HUGO_BINARY hugo_extended_${HUGO_VERSION}_Linux-64bit.deb
 RUN curl -sL -o /tmp/hugo.deb \
     https://github.com/gohugoio/hugo/releases/download/v${HUGO_VERSION}/${HUGO_BINARY} && \
     dpkg -i /tmp/hugo.deb && \
     rm /tmp/hugo.deb
-
-COPY --from=go-builder /app/social-image-gen /social-image-gen
-
 WORKDIR /app
 ADD . .
-
-ADD ./social-image-gen/fonts/ /fonts
-RUN /social-image-gen --mode posts
 RUN hugo -d /usr/share/nginx/html/
 
 FROM nginx:latest

content/posts/dont-reuse-keys.md

@@ -1,12 +1,12 @@
 ---
-title: "Don't Reuse Keys"
+title: "Don't Reuse API Keys"
 date: 2020-10-03T12:49:37+01:00
 draft: false
 tags:
   - cli
   - credentials
 images:
-- /images/dont-reuse-keys.gif
+- https://opengraph.cluster.fun/opengraph/?siteTitle=Today%20I%20learnt...&title=Don't%20Reuse%20API%20Keys&tags=cli%2Ccredentials&image=https%3A%2F%2Fmarcusnoble.co.uk%2Fimages%2Fmarcus.jpg&twitter=Marcus_Noble_&github=AverageMarcus&website=www.MarcusNoble.co.uk
 ---
 
 Not a technical post today, more of a reminder to myself not to reuse API keys for different purposes. In this instance I reset the credentials I had labelled "Terraform" which I just so happened to also be using In [Harbor](https://goharbor.io/) to connect to my S3 bucket. Que 2 hours of me later trying to figure out why I couldn't pull or push any images.

content/posts/favicons.md

@@ -3,9 +3,9 @@ title: "How to get the favicon of any site"
 date: 2020-11-10T09:49:37+01:00
 draft: false
 tags:
-- favicon
+- 
 images:
-- /images/favicons.gif
+- https://opengraph.cluster.fun/opengraph/?siteTitle=Today%20I%20learnt...&title=How%20to%20get%20the%20favicon%20of%20any%20site&tags=favicon&image=https%3A%2F%2Fmarcusnoble.co.uk%2Fimages%2Fmarcus.jpg&twitter=Marcus_Noble_&github=AverageMarcus&website=www.MarcusNoble.co.uk
 ---
 
 If you ever find yourself needing to display a small icon for a 3rd party URL but don't want to have to crawl the site to pull out the favicon URL then you can make use of a Google CDN:

content/posts/go-named-return-values.md

@@ -5,7 +5,7 @@ draft: false
 tags:
   - golang
 images:
-- /images/go-named-return-values.gif
+- https://opengraph.cluster.fun/opengraph/?siteTitle=Today%20I%20learnt...&title=Named%20returns%20in%20Go%20functions&tags=golang%2Cprogramming&image=https%3A%2F%2Fmarcusnoble.co.uk%2Fimages%2Fmarcus.jpg&twitter=Marcus_Noble_&github=AverageMarcus&website=www.MarcusNoble.co.uk
 ---
 
 While debugging some issues I was having with the AWS Golang SDK I discovered it was possible to name your function return values (pointers) and then set them within your function body without needing to explicitly return them at the end.

content/posts/golang-append.md

@@ -5,7 +5,7 @@ draft: false
 tags:
   - golang
 images:
-- /images/golang-append.gif
+- https://opengraph.cluster.fun/opengraph/?siteTitle=Today%20I%20learnt...&title=Golang's%20append%20mutates%20the%20provided%20array&tags=golang%2Cprogramming%2Carrays%2Cslices&image=https%3A%2F%2Fmarcusnoble.co.uk%2Fimages%2Fmarcus.jpg&twitter=Marcus_Noble_&github=AverageMarcus&website=www.MarcusNoble.co.uk
 ---
 
 A word of warning when using `append()` in Golang...

content/posts/golang-split-by-space.md

@@ -6,10 +6,10 @@ tags:
   - go
   - golang
 images:
-- /images/golang-split-by-space.gif
+- https://opengraph.cluster.fun/opengraph/?siteTitle=Today%20I%20learnt...&title=Split%20on%20spaces%20in%20Go&tags=golang%2Cprogramming%2Carrays&image=https%3A%2F%2Fmarcusnoble.co.uk%2Fimages%2Fmarcus.jpg&twitter=Marcus_Noble_&github=AverageMarcus&website=www.MarcusNoble.co.uk
 ---
 
-While looking to split a multiline and space separated string and not having any look with `strings.Split()` I came across this somewhat oddly names function:
+While looking to split a multiline and space separated string and not having any luck with `strings.Split()` I came across this somewhat oddly names function:
 
 ```go
 import (

content/posts/kubectl-replace.md

@@ -6,7 +6,7 @@ tags:
   - kubernetes
   - kubectl
 images:
-- /images/kubectl-replace.gif
+- https://opengraph.cluster.fun/opengraph/?siteTitle=Today%20I%20learnt...&title=kubectl%20replace&tags=kubernetes%2Ckubectl&image=https%3A%2F%2Fmarcusnoble.co.uk%2Fimages%2Fmarcus.jpg&twitter=Marcus_Noble_&github=AverageMarcus&website=www.MarcusNoble.co.uk
 ---
 
 After working with Kubernetes for a few years now I've only just today learnt about `kubectl replace` which, you guessed it, completely replaces a resource.

content/posts/kubernetes-label-length.md

@@ -5,7 +5,7 @@ draft: false
 tags:
   - kubernetes
 images:
-- /images/kubernetes-label-length.gif
+- https://opengraph.cluster.fun/opengraph/?siteTitle=Today%20I%20learnt...&title=Kubernetes%20label%20length&tags=kubernetes%2Clabels&image=https%3A%2F%2Fmarcusnoble.co.uk%2Fimages%2Fmarcus.jpg&twitter=Marcus_Noble_&github=AverageMarcus&website=www.MarcusNoble.co.uk
 ---
 
 It turns out that label _values_ in Kubernetes have a limit of 63 characters!

content/posts/tekton-multi-arch-builds.md

@@ -6,7 +6,7 @@ tags:
   - tekton
   - docker
 images:
-- /images/tekton-multi-arch-builds.gif
+- https://opengraph.cluster.fun/opengraph/?siteTitle=Today%20I%20learnt...&title=Tekton%20Multi-Arch%20Image%20Builds&tags=tekton%2Cdocker%2Cci%2Ccd&image=https%3A%2F%2Fmarcusnoble.co.uk%2Fimages%2Fmarcus.jpg&twitter=Marcus_Noble_&github=AverageMarcus&website=www.MarcusNoble.co.uk
 ---
 
 Using Buildkit to build multi-arch compatible images without Docker daemon:

content/posts/yaml-multiline.md

@@ -5,7 +5,7 @@ draft: false
 tags:
   - yaml
 images:
-- /images/yaml-multiline.gif
+- https://opengraph.cluster.fun/opengraph/?siteTitle=Today%20I%20learnt...&title=YAML%20multiline%20values&tags=yaml&image=https%3A%2F%2Fmarcusnoble.co.uk%2Fimages%2Fmarcus.jpg&twitter=Marcus_Noble_&github=AverageMarcus&website=www.MarcusNoble.co.uk
 ---
 
 After using YAML for a long time, for many, many Kubernetes manifest files, I have today learnt that it contains two multiline value types (called scalars):

social-image-gen/go.mod

@@ -1,13 +0,0 @@
-module social-image-gen
-
-go 1.13
-
-require (
-	github.com/ericaro/frontmatter v0.0.0-20200210094738-46863cd917e2
-	github.com/fogleman/gg v1.3.0
-	github.com/gofiber/fiber v1.14.6
-	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
-	github.com/pkg/errors v0.9.1
-	golang.org/x/image v0.0.0-20200801110659-972c09e46d76 // indirect
-	gopkg.in/yaml.v2 v2.3.0 // indirect
-)

social-image-gen/go.sum

@@ -1,42 +0,0 @@
-github.com/andybalholm/brotli v1.0.0 h1:7UCwP93aiSfvWpapti8g88vVVGp2qqtGyePsSuDafo4=
-github.com/andybalholm/brotli v1.0.0/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y=
-github.com/ericaro/frontmatter v0.0.0-20200210094738-46863cd917e2 h1:+dzAHE3uQKGtPxobmh43c0n8V8A7X70zqUUDzL7ePVA=
-github.com/ericaro/frontmatter v0.0.0-20200210094738-46863cd917e2/go.mod h1:Xy0DdToffIGb/ZMCwM5zFgIQOrVh0cKvNABpKRJYo1w=
-github.com/fogleman/gg v1.3.0 h1:/7zJX8F6AaYQc57WQCyN9cAIz+4bCJGO9B+dyW29am8=
-github.com/fogleman/gg v1.3.0/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
-github.com/gofiber/fiber v1.14.6 h1:QRUPvPmr8ijQuGo1MgupHBn8E+wW0IKqiOvIZPtV70o=
-github.com/gofiber/fiber v1.14.6/go.mod h1:Yw2ekF1YDPreO9V6TMYjynu94xRxZBdaa8X5HhHsjCM=
-github.com/gofiber/utils v0.0.10 h1:3Mr7X7JdCUo7CWf/i5sajSaDmArEDtti8bM1JUVso2U=
-github.com/gofiber/utils v0.0.10/go.mod h1:9J5aHFUIjq0XfknT4+hdSMG6/jzfaAgCu4HEbWDeBlo=
-github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
-github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
-github.com/gorilla/schema v1.1.0 h1:CamqUDOFUBqzrvxuz2vEwo8+SUdwsluFh7IlzJh30LY=
-github.com/gorilla/schema v1.1.0/go.mod h1:kgLaKoK1FELgZqMAVxx/5cbj0kT+57qxUrAlIO2eleU=
-github.com/klauspost/compress v1.10.7 h1:7rix8v8GpI3ZBb0nSozFRgbtXKv+hOe+qfEpZqybrAg=
-github.com/klauspost/compress v1.10.7/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
-github.com/mattn/go-colorable v0.1.7 h1:bQGKb3vps/j0E9GfJQ03JyhRuxsvdAanXlT9BTw3mdw=
-github.com/mattn/go-colorable v0.1.7/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
-github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
-github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
-github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
-github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
-github.com/valyala/fasthttp v1.16.0 h1:9zAqOYLl8Tuy3E5R6ckzGDJ1g8+pw15oQp2iL9Jl6gQ=
-github.com/valyala/fasthttp v1.16.0/go.mod h1:YOKImeEosDdBPnxc0gy7INqi3m1zK6A+xl6TwOBhHCA=
-github.com/valyala/tcplisten v0.0.0-20161114210144-ceec8f93295a h1:0R4NLDRDZX6JcmhJgXi5E4b8Wg84ihbmUKp/GvSPEzc=
-github.com/valyala/tcplisten v0.0.0-20161114210144-ceec8f93295a/go.mod h1:v3UYOV9WzVtRmSR+PDvWpU/qWl4Wa5LApYYX4ZtKbio=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/image v0.0.0-20200801110659-972c09e46d76 h1:U7GPaoQyQmX+CBRWXKrvRzWTbd+slqeSh8uARsIyhAw=
-golang.org/x/image v0.0.0-20200801110659-972c09e46d76/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
-golang.org/x/net v0.0.0-20200602114024-627f9648deb9/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200602225109-6fdc65e7d980 h1:OjiUf46hAmXblsZdnoSXsEUSKU8r1UEzcL5RVZ4gO9Y=
-golang.org/x/sys v0.0.0-20200602225109-6fdc65e7d980/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
-gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

social-image-gen/main.go

@@ -1,137 +0,0 @@
-package main
-
-import (
-	"bufio"
-	"bytes"
-	"fmt"
-	"image"
-	"image/color"
-	"image/color/palette"
-	"image/draw"
-	"image/gif"
-	"io/ioutil"
-	"os"
-	"path/filepath"
-	"strings"
-
-	"github.com/ericaro/frontmatter"
-	"github.com/fogleman/gg"
-)
-
-type Post struct {
-	Title string   `yaml:"title"`
-	Tags  []string `yaml:"tags"`
-}
-
-func main() {
-	if err := filepath.Walk("./content/posts/", func(path string, info os.FileInfo, err error) error {
-		if err != nil {
-			return err
-		}
-
-		if info.IsDir() {
-			return nil
-		}
-
-		body, err := ioutil.ReadFile(path)
-		if err != nil {
-			return err
-		}
-
-		var out Post
-		frontmatter.Unmarshal(body, &out)
-
-		img, err := run(out.Title)
-		if err != nil {
-			return err
-		}
-
-		filename := "./static/images/" + strings.ReplaceAll(info.Name(), ".md", ".gif")
-		fmt.Printf("Saving %s", filename)
-		ioutil.WriteFile(filename, img, 0755)
-
-		return nil
-	}); err != nil {
-		panic(err)
-	}
-}
-
-const (
-	width  = 1200
-	height = 628
-)
-
-var (
-	monoFont   = filepath.Join("/fonts", "Noto.ttf")
-	headerFont = filepath.Join("/fonts", "Inter-SemiBold.ttf")
-	fontColor  = color.RGBA{169, 169, 179, 0xff}
-)
-
-func run(title string) ([]byte, error) {
-	dc := gg.NewContext(width, height)
-
-	// Background
-	dc.SetHexColor("#292a2d")
-	dc.DrawRectangle(0, 0, width, height)
-	dc.Fill()
-
-	// Header
-	dc.SetHexColor("#252627")
-	dc.DrawRectangle(0, 0, width, 100)
-	dc.Fill()
-
-	if err := dc.LoadFontFace(monoFont, 45); err != nil {
-		return nil, err
-	}
-	dc.SetColor(fontColor)
-	dc.DrawString("#til", 45, 60)
-
-	dc.LoadFontFace(monoFont, 20)
-	dc.SetColor(fontColor)
-	dc.DrawString("https://til.marcusnoble.co.uk", 895, 623)
-
-	dc.LoadFontFace(headerFont, 80)
-	textRightMargin := 50.0
-	textTopMargin := 130.0
-	x := textRightMargin
-	y := textTopMargin
-	maxWidth := float64(dc.Width()) - textRightMargin - textRightMargin
-	dc.SetColor(color.White)
-	dc.DrawStringWrapped(title, x+1, y+1, 0, 0, maxWidth, 1.5, gg.AlignLeft)
-	dc.SetColor(fontColor)
-	dc.DrawStringWrapped(title, x, y, 0, 0, maxWidth, 1.5, gg.AlignLeft)
-
-	frame1 := dc.Image()
-
-	dc = gg.NewContextForImage(frame1)
-
-	dc.LoadFontFace(headerFont, 80)
-	title += " |"
-	textRightMargin = 50.0
-	textTopMargin = 130.0
-	x = textRightMargin
-	y = textTopMargin
-	maxWidth = float64(dc.Width()) - textRightMargin - textRightMargin
-	dc.SetColor(color.White)
-	dc.DrawStringWrapped(title, x+1, y+1, 0, 0, maxWidth, 1.5, gg.AlignLeft)
-	dc.SetColor(fontColor)
-	dc.DrawStringWrapped(title, x, y, 0, 0, maxWidth, 1.5, gg.AlignLeft)
-
-	frame2 := dc.Image()
-
-	palettedImage1 := image.NewPaletted(frame1.Bounds(), palette.Plan9)
-	draw.Over.Draw(palettedImage1, frame1.Bounds(), frame1, image.ZP)
-	palettedImage2 := image.NewPaletted(frame2.Bounds(), palette.Plan9)
-	draw.Over.Draw(palettedImage2, frame2.Bounds(), frame2, image.ZP)
-
-	var output bytes.Buffer
-	gif.EncodeAll(bufio.NewWriter(&output), &gif.GIF{
-		Image: []*image.Paletted{
-			palettedImage1,
-			palettedImage2,
-		},
-		Delay: []int{50, 50},
-	})
-
-	return output.Bytes(), nil
-}