Create go backend for site SSR and Dockerfile for dockerization

blog.go

@@ -0,0 +1,83 @@
+package main
+
+import (
+	"bufio"
+	"errors"
+	"html/template"
+	"net/http"
+	"os"
+	"path/filepath"
+	"slices"
+	"strings"
+	"time"
+
+	"github.com/adrg/frontmatter"
+)
+
+type Post struct {
+	markdownData []byte
+	Title        string    `toml:"title"`
+	PostDate     time.Time `toml:"post_date"`
+	Summary      string    `toml:"summary"`
+	Body         template.HTML
+	FileName     string
+}
+
+func postHandler(w http.ResponseWriter, r *http.Request) {
+
+	if _, err := os.Stat(filepath.Join(contentDir, "posts", r.PathValue("post")+".md")); err == nil {
+
+	} else if errors.Is(err, os.ErrNotExist) {
+		sendError(w, http.StatusNotFound, "That post could not be found.")
+		return
+	} else {
+		sendError(w, http.StatusInternalServerError, "There was a problem statting the file for that post: "+err.Error())
+		return
+	}
+	tmpl := template.Must(template.ParseFiles(filepath.Join(contentDir, "templates/layout.gohtml"), filepath.Join(contentDir, "templates/post.gohtml")))
+	f, err := os.Open(filepath.Join("posts", r.PathValue("post")+".md"))
+	if err != nil {
+		sendError(w, http.StatusInternalServerError, "There was a problem opening the file for that post: "+err.Error())
+		return
+	}
+	var post Post
+	rest, err := frontmatter.Parse(bufio.NewReader(f), &post)
+	if err != nil {
+		sendError(w, http.StatusInternalServerError, "There was a problem reading the frontmatter for that post: "+err.Error())
+		return
+	}
+	post.FileName = r.PathValue("post")
+	post.Body = template.HTML(mdToHTML(rest))
+	var data PageData = PageData{
+		Header: config.HeaderData,
+		Post:   post,
+	}
+	tmpl.ExecuteTemplate(w, "layout", data)
+}
+func blogHandler(w http.ResponseWriter, r *http.Request) {
+	var data PageData = PageData{
+		Header: config.HeaderData,
+		Posts:  make([]Post, 0),
+	}
+	files, _ := os.ReadDir(filepath.Join(contentDir, "posts"))
+	for _, file := range files {
+		if strings.HasSuffix(file.Name(), ".md") {
+			f, err := os.Open(filepath.Join(contentDir, "posts", file.Name()))
+			if err != nil {
+				continue
+			}
+			var post Post
+			rest, err := frontmatter.Parse(bufio.NewReader(f), &post)
+			if err != nil {
+				continue
+			}
+			post.Body = template.HTML(mdToHTML(rest))
+			post.FileName = strings.TrimSuffix(file.Name(), ".md")
+			data.Posts = append(data.Posts, post)
+		}
+	}
+	slices.Reverse(data.Posts)
+
+	tmpl := template.Must(template.ParseFiles(filepath.Join(contentDir, "templates/layout.gohtml"), filepath.Join(contentDir, "templates/blog.gohtml")))
+	tmpl.ExecuteTemplate(w, "layout", data)
+}