Download web dependencies on build (#5)

.dockerignore

@@ -5,3 +5,6 @@ LICENSE
 Dockerfile
 config.json
 config.json.example
+assets/highlight.min.js
+assets/highlightjs-line-numbers.min.js
+assets/styles/

.github/workflows/docker.yml

@@ -51,6 +51,7 @@ jobs:
                   push: true
                   tags: ${{ steps.meta.outputs.tags }}
                   labels: ${{ steps.meta.outputs.labels }}
+                  build-args: GITHUB_TOKEN=${{ secrets.GITHUB_TOKEN }}
 
     deploy:
       needs:

.gitignore

@@ -1,3 +1,6 @@
 .idea/
 config.json
 gobin.db
+assets/highlight.min.js
+assets/highlightjs-line-numbers.min.js
+assets/styles/

Dockerfile

@@ -1,7 +1,20 @@
 FROM golang:1.19-alpine AS build
 
+ARG GITHUB_TOKEN
+
 WORKDIR /build
 
+COPY tools/go.mod tools/go.sum tools/
+
+RUN cd tools && go mod download
+
+COPY tools/ tools/
+
+RUN mkdir assets && \
+    mkdir assets/styles && \
+    cd tools && \
+    go run . --github-token $GITHUB_TOKEN
+
 COPY go.mod go.sum ./
 
 RUN go mod download

tools/highlightjs.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"log"
 
 	"github.com/google/go-github/v50/github"
 )
@@ -22,7 +23,7 @@ func downloadHighlightJS(client *github.Client) error {
 
 	prefix := zipReader.File[0].Name
 	for _, file := range highlightJSFiles {
-		println("Copying: ", prefix+file)
+		log.Println("Copying: ", prefix+file)
 		if err = copyToAssets(zipReader, prefix, "build/", file); err != nil {
 			return fmt.Errorf("failed to copy file: %w", err)
 		}

tools/highlightjs_line_numbers.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"log"
 
 	"github.com/google/go-github/v50/github"
 )
@@ -16,7 +17,7 @@ func downloadHighlightJSLineNumbers(client *github.Client) error {
 
 	prefix := zipReader.File[0].Name
 
-	println("Copying: ", prefix+highlightJSLineNumbersFiles)
+	log.Println("Copying: ", prefix+highlightJSLineNumbersFiles)
 	if err = copyToAssets(zipReader, prefix, "dist/", highlightJSLineNumbersFiles); err != nil {
 		return fmt.Errorf("failed to copy file: %w", err)
 	}

tools/update.go

@@ -4,8 +4,10 @@ import (
 	"archive/zip"
 	"bytes"
 	"context"
+	"flag"
 	"fmt"
 	"io"
+	"log"
 	"net/http"
 	"os"
 	"strings"
@@ -15,31 +17,38 @@ import (
 )
 
 func main() {
-	println("Downloading latest version...")
-
-	client := github.NewClient(nil)
+	githubToken := flag.String("github-token", "", "GitHub token (required)")
+	flag.Parse()
+	log.Println("Downloading latest version...")
+
+	var client *github.Client
+	if *githubToken != "" {
+		client = github.NewTokenClient(context.Background(), *githubToken)
+	} else {
+		client = github.NewClient(nil)
+	}
 
 	if err := downloadHighlightJS(client); err != nil {
-		println("Failed to download HighlightJS:", err.Error())
+		log.Panicln("Failed to download HighlightJS:", err.Error())
 		return
 	}
 
 	if err := downloadHighlightJSLineNumbers(client); err != nil {
-		println("Failed to download HighlightJS Line Numbers:", err.Error())
+		log.Panicln("Failed to download HighlightJS Line Numbers:", err.Error())
 		return
 	}
 
-	println("Done")
+	log.Println("Done")
 }
 
 func downloadLatestTagZipball(client *github.Client, owner string, repo string) (*zip.Reader, error) {
 	latestTag, err := getLatestTag(client, owner, repo)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get latest tag: %w", err)
 	}
-	println("Latest", owner+"/"+repo, "version:", latestTag.GetName())
+	log.Println("Latest", owner+"/"+repo, "version:", latestTag.GetName())
 
-	println(owner+"/"+repo, "Zipball URL:", latestTag.GetZipballURL())
+	log.Println(owner+"/"+repo, "Zipball URL:", latestTag.GetZipballURL())
 
 	zipReader, err := downloadZip(latestTag.GetZipballURL())
 	if err != nil {
@@ -99,7 +108,7 @@ func copyToAssets(zipReader *zip.Reader, prefix string, buildPrefix string, file
 	}
 	defer zipFile.Close()
 
-	assetsFile, err := os.OpenFile("assets/"+strings.TrimPrefix(filename, buildPrefix), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
+	assetsFile, err := os.OpenFile("../assets/"+strings.TrimPrefix(filename, buildPrefix), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
 	if err != nil {
 		return fmt.Errorf("failed to open assets file: %w", err)
 	}