Add web frontend

.gitignore

@@ -1 +1,9 @@
-.env
+.DS_STORE
+
+.env
+**/*_templ.go
+**/*_templ.txt
+
+**/configmap.yaml
+
+tailwindcss

build/docker/web/Dockerfile

@@ -0,0 +1,33 @@
+FROM golang:1.23-alpine AS builder
+
+WORKDIR /app
+
+RUN apk --no-cache add curl nodejs npm
+
+RUN npm install -D tailwindcss
+
+RUN go install github.com/a-h/templ/cmd/templ@latest
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+
+RUN templ generate
+
+
+RUN npx tailwindcss -i ./internal/web/assets/css/input.css -o ./internal/web/assets/css/output.css
+
+RUN go build -o web ./cmd/web
+
+FROM alpine:latest
+
+WORKDIR /app
+
+COPY --from=builder /app/web /app/web
+
+ENV GIN_MODE=release
+
+EXPOSE 8080
+
+ENTRYPOINT ["/app/web"]

build/kubernetes/example.configmap.yaml

@@ -9,3 +9,4 @@ data:
   DB_HOST: "psql-service"
   DB_PORT: "5432"
   KEYGEN_HOST: "keygen-service"
+  API_URL: "http://api-server-service"

build/kubernetes/web-deployment.yaml

@@ -0,0 +1,38 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: fastbin-web
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: fastbin-web
+  template:
+    metadata:
+      labels:
+        app: fastbin-web
+    spec:
+      containers:
+        - name: api-server
+          image: registry.lab.divyam.dev/fastbin-web:latest
+          ports:
+            - containerPort: 8080
+          env:
+            - name: API_URL
+              valueFrom:
+                configMapKeyRef:
+                  name: fastbin-config
+                  key: API_URL
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: fastbin-web-service
+spec:
+  ports:
+    - port: 80
+      targetPort: 8080
+  selector:
+    app: fastbin-web
+  type: LoadBalancer

cmd/web/main.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"fastbin/internal/pkg/env"
+	webserver "fastbin/internal/web"
+	"fmt"
+	"log"
+	"net/http"
+	"strconv"
+)
+
+func main() {
+	port, err := strconv.Atoi(env.GetEnv("WEB_INTERNAL_PORT", "8080"))
+	if err != nil {
+		log.Fatalf("error listening port: %v, err: %v", port, err)
+	}
+	server := webserver.NewServer(port)
+	err = server.ListenAndServe()
+	if err != nil && err != http.ErrServerClosed {
+		panic(fmt.Sprintf("http server error: %s", err))
+	}
+}

go.mod

@@ -3,6 +3,7 @@ module fastbin
 go 1.23.2
 
 require (
+	github.com/a-h/templ v0.2.793
 	github.com/gin-gonic/gin v1.10.0
 	github.com/joho/godotenv v1.5.1
 	google.golang.org/grpc v1.67.1

go.sum

@@ -1,3 +1,5 @@
+github.com/a-h/templ v0.2.793 h1:Io+/ocnfGWYO4VHdR0zBbf39PQlnzVCVVD+wEEs6/qY=
+github.com/a-h/templ v0.2.793/go.mod h1:lq48JXoUvuQrU0VThrK31yFwdRjTCnIE5bcPCM9IP1w=
 github.com/bytedance/sonic v1.11.6 h1:oUp34TzMlL+OY1OUWxHqsdkgC/Zfc85zGqw9siXjrc0=
 github.com/bytedance/sonic v1.11.6/go.mod h1:LysEHSvpvDySVdC2f87zGWf6CIKJcAvqab1ZaiQtds4=
 github.com/bytedance/sonic/loader v0.1.1 h1:c+e5Pt1k/cy5wMveRDyk2X4B9hF4g7an8N3zCYjJFNM=

internal/web/assets/css/input.css

@@ -0,0 +1,10 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  :root {
+    --primary-color: 29 29 29;
+    --border-color: 69 69 69;
+  }
+}

internal/web/assets/css/output.css

@@ -0,0 +1,740 @@
+*, ::before, ::after {
+  --tw-border-spacing-x: 0;
+  --tw-border-spacing-y: 0;
+  --tw-translate-x: 0;
+  --tw-translate-y: 0;
+  --tw-rotate: 0;
+  --tw-skew-x: 0;
+  --tw-skew-y: 0;
+  --tw-scale-x: 1;
+  --tw-scale-y: 1;
+  --tw-pan-x:  ;
+  --tw-pan-y:  ;
+  --tw-pinch-zoom:  ;
+  --tw-scroll-snap-strictness: proximity;
+  --tw-gradient-from-position:  ;
+  --tw-gradient-via-position:  ;
+  --tw-gradient-to-position:  ;
+  --tw-ordinal:  ;
+  --tw-slashed-zero:  ;
+  --tw-numeric-figure:  ;
+  --tw-numeric-spacing:  ;
+  --tw-numeric-fraction:  ;
+  --tw-ring-inset:  ;
+  --tw-ring-offset-width: 0px;
+  --tw-ring-offset-color: #fff;
+  --tw-ring-color: rgb(59 130 246 / 0.5);
+  --tw-ring-offset-shadow: 0 0 #0000;
+  --tw-ring-shadow: 0 0 #0000;
+  --tw-shadow: 0 0 #0000;
+  --tw-shadow-colored: 0 0 #0000;
+  --tw-blur:  ;
+  --tw-brightness:  ;
+  --tw-contrast:  ;
+  --tw-grayscale:  ;
+  --tw-hue-rotate:  ;
+  --tw-invert:  ;
+  --tw-saturate:  ;
+  --tw-sepia:  ;
+  --tw-drop-shadow:  ;
+  --tw-backdrop-blur:  ;
+  --tw-backdrop-brightness:  ;
+  --tw-backdrop-contrast:  ;
+  --tw-backdrop-grayscale:  ;
+  --tw-backdrop-hue-rotate:  ;
+  --tw-backdrop-invert:  ;
+  --tw-backdrop-opacity:  ;
+  --tw-backdrop-saturate:  ;
+  --tw-backdrop-sepia:  ;
+  --tw-contain-size:  ;
+  --tw-contain-layout:  ;
+  --tw-contain-paint:  ;
+  --tw-contain-style:  ;
+}
+
+::backdrop {
+  --tw-border-spacing-x: 0;
+  --tw-border-spacing-y: 0;
+  --tw-translate-x: 0;
+  --tw-translate-y: 0;
+  --tw-rotate: 0;
+  --tw-skew-x: 0;
+  --tw-skew-y: 0;
+  --tw-scale-x: 1;
+  --tw-scale-y: 1;
+  --tw-pan-x:  ;
+  --tw-pan-y:  ;
+  --tw-pinch-zoom:  ;
+  --tw-scroll-snap-strictness: proximity;
+  --tw-gradient-from-position:  ;
+  --tw-gradient-via-position:  ;
+  --tw-gradient-to-position:  ;
+  --tw-ordinal:  ;
+  --tw-slashed-zero:  ;
+  --tw-numeric-figure:  ;
+  --tw-numeric-spacing:  ;
+  --tw-numeric-fraction:  ;
+  --tw-ring-inset:  ;
+  --tw-ring-offset-width: 0px;
+  --tw-ring-offset-color: #fff;
+  --tw-ring-color: rgb(59 130 246 / 0.5);
+  --tw-ring-offset-shadow: 0 0 #0000;
+  --tw-ring-shadow: 0 0 #0000;
+  --tw-shadow: 0 0 #0000;
+  --tw-shadow-colored: 0 0 #0000;
+  --tw-blur:  ;
+  --tw-brightness:  ;
+  --tw-contrast:  ;
+  --tw-grayscale:  ;
+  --tw-hue-rotate:  ;
+  --tw-invert:  ;
+  --tw-saturate:  ;
+  --tw-sepia:  ;
+  --tw-drop-shadow:  ;
+  --tw-backdrop-blur:  ;
+  --tw-backdrop-brightness:  ;
+  --tw-backdrop-contrast:  ;
+  --tw-backdrop-grayscale:  ;
+  --tw-backdrop-hue-rotate:  ;
+  --tw-backdrop-invert:  ;
+  --tw-backdrop-opacity:  ;
+  --tw-backdrop-saturate:  ;
+  --tw-backdrop-sepia:  ;
+  --tw-contain-size:  ;
+  --tw-contain-layout:  ;
+  --tw-contain-paint:  ;
+  --tw-contain-style:  ;
+}
+
+/*
+! tailwindcss v3.4.14 | MIT License | https://tailwindcss.com
+*/
+
+/*
+1. Prevent padding and border from affecting element width. (https://github.com/mozdevs/cssremedy/issues/4)
+2. Allow adding a border to an element by just adding a border-width. (https://github.com/tailwindcss/tailwindcss/pull/116)
+*/
+
+*,
+::before,
+::after {
+  box-sizing: border-box;
+  /* 1 */
+  border-width: 0;
+  /* 2 */
+  border-style: solid;
+  /* 2 */
+  border-color: #e5e7eb;
+  /* 2 */
+}
+
+::before,
+::after {
+  --tw-content: '';
+}
+
+/*
+1. Use a consistent sensible line-height in all browsers.
+2. Prevent adjustments of font size after orientation changes in iOS.
+3. Use a more readable tab size.
+4. Use the user's configured `sans` font-family by default.
+5. Use the user's configured `sans` font-feature-settings by default.
+6. Use the user's configured `sans` font-variation-settings by default.
+7. Disable tap highlights on iOS
+*/
+
+html,
+:host {
+  line-height: 1.5;
+  /* 1 */
+  -webkit-text-size-adjust: 100%;
+  /* 2 */
+  -moz-tab-size: 4;
+  /* 3 */
+  -o-tab-size: 4;
+     tab-size: 4;
+  /* 3 */
+  font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+  /* 4 */
+  font-feature-settings: normal;
+  /* 5 */
+  font-variation-settings: normal;
+  /* 6 */
+  -webkit-tap-highlight-color: transparent;
+  /* 7 */
+}
+
+/*
+1. Remove the margin in all browsers.
+2. Inherit line-height from `html` so users can set them as a class directly on the `html` element.
+*/
+
+body {
+  margin: 0;
+  /* 1 */
+  line-height: inherit;
+  /* 2 */
+}
+
+/*
+1. Add the correct height in Firefox.
+2. Correct the inheritance of border color in Firefox. (https://bugzilla.mozilla.org/show_bug.cgi?id=190655)
+3. Ensure horizontal rules are visible by default.
+*/
+
+hr {
+  height: 0;
+  /* 1 */
+  color: inherit;
+  /* 2 */
+  border-top-width: 1px;
+  /* 3 */
+}
+
+/*
+Add the correct text decoration in Chrome, Edge, and Safari.
+*/
+
+abbr:where([title]) {
+  -webkit-text-decoration: underline dotted;
+          text-decoration: underline dotted;
+}
+
+/*
+Remove the default font size and weight for headings.
+*/
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  font-size: inherit;
+  font-weight: inherit;
+}
+
+/*
+Reset links to optimize for opt-in styling instead of opt-out.
+*/
+
+a {
+  color: inherit;
+  text-decoration: inherit;
+}
+
+/*
+Add the correct font weight in Edge and Safari.
+*/
+
+b,
+strong {
+  font-weight: bolder;
+}
+
+/*
+1. Use the user's configured `mono` font-family by default.
+2. Use the user's configured `mono` font-feature-settings by default.
+3. Use the user's configured `mono` font-variation-settings by default.
+4. Correct the odd `em` font sizing in all browsers.
+*/
+
+code,
+kbd,
+samp,
+pre {
+  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
+  /* 1 */
+  font-feature-settings: normal;
+  /* 2 */
+  font-variation-settings: normal;
+  /* 3 */
+  font-size: 1em;
+  /* 4 */
+}
+
+/*
+Add the correct font size in all browsers.
+*/
+
+small {
+  font-size: 80%;
+}
+
+/*
+Prevent `sub` and `sup` elements from affecting the line height in all browsers.
+*/
+
+sub,
+sup {
+  font-size: 75%;
+  line-height: 0;
+  position: relative;
+  vertical-align: baseline;
+}
+
+sub {
+  bottom: -0.25em;
+}
+
+sup {
+  top: -0.5em;
+}
+
+/*
+1. Remove text indentation from table contents in Chrome and Safari. (https://bugs.chromium.org/p/chromium/issues/detail?id=999088, https://bugs.webkit.org/show_bug.cgi?id=201297)
+2. Correct table border color inheritance in all Chrome and Safari. (https://bugs.chromium.org/p/chromium/issues/detail?id=935729, https://bugs.webkit.org/show_bug.cgi?id=195016)
+3. Remove gaps between table borders by default.
+*/
+
+table {
+  text-indent: 0;
+  /* 1 */
+  border-color: inherit;
+  /* 2 */
+  border-collapse: collapse;
+  /* 3 */
+}
+
+/*
+1. Change the font styles in all browsers.
+2. Remove the margin in Firefox and Safari.
+3. Remove default padding in all browsers.
+*/
+
+button,
+input,
+optgroup,
+select,
+textarea {
+  font-family: inherit;
+  /* 1 */
+  font-feature-settings: inherit;
+  /* 1 */
+  font-variation-settings: inherit;
+  /* 1 */
+  font-size: 100%;
+  /* 1 */
+  font-weight: inherit;
+  /* 1 */
+  line-height: inherit;
+  /* 1 */
+  letter-spacing: inherit;
+  /* 1 */
+  color: inherit;
+  /* 1 */
+  margin: 0;
+  /* 2 */
+  padding: 0;
+  /* 3 */
+}
+
+/*
+Remove the inheritance of text transform in Edge and Firefox.
+*/
+
+button,
+select {
+  text-transform: none;
+}
+
+/*
+1. Correct the inability to style clickable types in iOS and Safari.
+2. Remove default button styles.
+*/
+
+button,
+input:where([type='button']),
+input:where([type='reset']),
+input:where([type='submit']) {
+  -webkit-appearance: button;
+  /* 1 */
+  background-color: transparent;
+  /* 2 */
+  background-image: none;
+  /* 2 */
+}
+
+/*
+Use the modern Firefox focus style for all focusable elements.
+*/
+
+:-moz-focusring {
+  outline: auto;
+}
+
+/*
+Remove the additional `:invalid` styles in Firefox. (https://github.com/mozilla/gecko-dev/blob/2f9eacd9d3d995c937b4251a5557d95d494c9be1/layout/style/res/forms.css#L728-L737)
+*/
+
+:-moz-ui-invalid {
+  box-shadow: none;
+}
+
+/*
+Add the correct vertical alignment in Chrome and Firefox.
+*/
+
+progress {
+  vertical-align: baseline;
+}
+
+/*
+Correct the cursor style of increment and decrement buttons in Safari.
+*/
+
+::-webkit-inner-spin-button,
+::-webkit-outer-spin-button {
+  height: auto;
+}
+
+/*
+1. Correct the odd appearance in Chrome and Safari.
+2. Correct the outline style in Safari.
+*/
+
+[type='search'] {
+  -webkit-appearance: textfield;
+  /* 1 */
+  outline-offset: -2px;
+  /* 2 */
+}
+
+/*
+Remove the inner padding in Chrome and Safari on macOS.
+*/
+
+::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+
+/*
+1. Correct the inability to style clickable types in iOS and Safari.
+2. Change font properties to `inherit` in Safari.
+*/
+
+::-webkit-file-upload-button {
+  -webkit-appearance: button;
+  /* 1 */
+  font: inherit;
+  /* 2 */
+}
+
+/*
+Add the correct display in Chrome and Safari.
+*/
+
+summary {
+  display: list-item;
+}
+
+/*
+Removes the default spacing and border for appropriate elements.
+*/
+
+blockquote,
+dl,
+dd,
+h1,
+h2,
+h3,
+h4,
+h5,
+h6,
+hr,
+figure,
+p,
+pre {
+  margin: 0;
+}
+
+fieldset {
+  margin: 0;
+  padding: 0;
+}
+
+legend {
+  padding: 0;
+}
+
+ol,
+ul,
+menu {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
+
+/*
+Reset default styling for dialogs.
+*/
+
+dialog {
+  padding: 0;
+}
+
+/*
+Prevent resizing textareas horizontally by default.
+*/
+
+textarea {
+  resize: vertical;
+}
+
+/*
+1. Reset the default placeholder opacity in Firefox. (https://github.com/tailwindlabs/tailwindcss/issues/3300)
+2. Set the default placeholder color to the user's configured gray 400 color.
+*/
+
+input::-moz-placeholder, textarea::-moz-placeholder {
+  opacity: 1;
+  /* 1 */
+  color: #9ca3af;
+  /* 2 */
+}
+
+input::placeholder,
+textarea::placeholder {
+  opacity: 1;
+  /* 1 */
+  color: #9ca3af;
+  /* 2 */
+}
+
+/*
+Set the default cursor for buttons.
+*/
+
+button,
+[role="button"] {
+  cursor: pointer;
+}
+
+/*
+Make sure disabled buttons don't get the pointer cursor.
+*/
+
+:disabled {
+  cursor: default;
+}
+
+/*
+1. Make replaced elements `display: block` by default. (https://github.com/mozdevs/cssremedy/issues/14)
+2. Add `vertical-align: middle` to align replaced elements more sensibly by default. (https://github.com/jensimmons/cssremedy/issues/14#issuecomment-634934210)
+   This can trigger a poorly considered lint error in some tools but is included by design.
+*/
+
+img,
+svg,
+video,
+canvas,
+audio,
+iframe,
+embed,
+object {
+  display: block;
+  /* 1 */
+  vertical-align: middle;
+  /* 2 */
+}
+
+/*
+Constrain images and videos to the parent width and preserve their intrinsic aspect ratio. (https://github.com/mozdevs/cssremedy/issues/14)
+*/
+
+img,
+video {
+  max-width: 100%;
+  height: auto;
+}
+
+/* Make elements with the HTML hidden attribute stay hidden by default */
+
+[hidden]:where(:not([hidden="until-found"])) {
+  display: none;
+}
+
+:root {
+  --primary-color: 29 29 29;
+  --border-color: 69 69 69;
+}
+
+.pointer-events-none {
+  pointer-events: none;
+}
+
+.block {
+  display: block;
+}
+
+.inline-block {
+  display: inline-block;
+}
+
+.flex {
+  display: flex;
+}
+
+.h-\[70px\] {
+  height: 70px;
+}
+
+.h-dvh {
+  height: 100dvh;
+}
+
+.h-full {
+  height: 100%;
+}
+
+.w-\[70px\] {
+  width: 70px;
+}
+
+.w-dvw {
+  width: 100dvw;
+}
+
+.w-full {
+  width: 100%;
+}
+
+.flex-1 {
+  flex: 1 1 0%;
+}
+
+.cursor-pointer {
+  cursor: pointer;
+}
+
+.select-none {
+  -webkit-user-select: none;
+     -moz-user-select: none;
+          user-select: none;
+}
+
+.resize-none {
+  resize: none;
+}
+
+.resize {
+  resize: both;
+}
+
+.flex-col {
+  flex-direction: column;
+}
+
+.items-start {
+  align-items: flex-start;
+}
+
+.items-center {
+  align-items: center;
+}
+
+.items-stretch {
+  align-items: stretch;
+}
+
+.justify-center {
+  justify-content: center;
+}
+
+.justify-between {
+  justify-content: space-between;
+}
+
+.self-stretch {
+  align-self: stretch;
+}
+
+.border-b-2 {
+  border-bottom-width: 2px;
+}
+
+.border-none {
+  border-style: none;
+}
+
+.border-b-border {
+  --tw-border-opacity: 1;
+  border-bottom-color: rgb(var(--border-color) / var(--tw-border-opacity));
+}
+
+.bg-primary {
+  --tw-bg-opacity: 1;
+  background-color: rgb(var(--primary-color) / var(--tw-bg-opacity));
+}
+
+.bg-transparent {
+  background-color: transparent;
+}
+
+.px-2\.5 {
+  padding-left: 0.625rem;
+  padding-right: 0.625rem;
+}
+
+.px-\[20px\] {
+  padding-left: 20px;
+  padding-right: 20px;
+}
+
+.py-\[10px\] {
+  padding-top: 10px;
+  padding-bottom: 10px;
+}
+
+.text-center {
+  text-align: center;
+}
+
+.align-middle {
+  vertical-align: middle;
+}
+
+.text-4xl {
+  font-size: 2.25rem;
+  line-height: 2.5rem;
+}
+
+.text-8xl {
+  font-size: 6rem;
+  line-height: 1;
+}
+
+.text-xl {
+  font-size: 1.25rem;
+  line-height: 1.75rem;
+}
+
+.italic {
+  font-style: italic;
+}
+
+.text-white {
+  --tw-text-opacity: 1;
+  color: rgb(255 255 255 / var(--tw-text-opacity));
+}
+
+.outline-none {
+  outline: 2px solid transparent;
+  outline-offset: 2px;
+}
+
+.filter {
+  filter: var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow);
+}
+
+.transition {
+  transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, -webkit-backdrop-filter;
+  transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter;
+  transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter, -webkit-backdrop-filter;
+  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
+  transition-duration: 150ms;
+}
+
+.hover\:bg-border\/50:hover {
+  background-color: rgb(var(--border-color) / 0.5);
+}

internal/web/efs.go

@@ -0,0 +1,15 @@
+package web
+
+import (
+	"embed"
+	"io/fs"
+)
+
+//go:embed assets
+var f embed.FS
+
+var Files fs.FS
+
+func init() {
+	Files, _ = fs.Sub(f, "assets")
+}

internal/web/renderer.go

@@ -0,0 +1,61 @@
+//  Credits: https://github.com/a-h/templ/blob/main/examples/integration-gin/gintemplrenderer/renderer.go
+
+package web
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/gin-gonic/gin/render"
+
+	"github.com/a-h/templ"
+)
+
+var Default = &HTMLTemplRenderer{}
+
+type HTMLTemplRenderer struct {
+	FallbackHtmlRenderer render.HTMLRender
+}
+
+func (r *HTMLTemplRenderer) Instance(s string, d any) render.Render {
+	templData, ok := d.(templ.Component)
+	if !ok {
+		if r.FallbackHtmlRenderer != nil {
+			return r.FallbackHtmlRenderer.Instance(s, d)
+		}
+	}
+	return &Renderer{
+		Ctx:       context.Background(),
+		Status:    -1,
+		Component: templData,
+	}
+}
+
+func NewGinTemplRenderer(ctx context.Context, status int, component templ.Component) *Renderer {
+	return &Renderer{
+		Ctx:       ctx,
+		Status:    status,
+		Component: component,
+	}
+}
+
+type Renderer struct {
+	Ctx       context.Context
+	Status    int
+	Component templ.Component
+}
+
+func (t Renderer) Render(w http.ResponseWriter) error {
+	t.WriteContentType(w)
+	if t.Status != -1 {
+		w.WriteHeader(t.Status)
+	}
+	if t.Component != nil {
+		return t.Component.Render(t.Ctx, w)
+	}
+	return nil
+}
+
+func (t Renderer) WriteContentType(w http.ResponseWriter) {
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+}

internal/web/server.go

@@ -0,0 +1,110 @@
+package web
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+
+	"fastbin/internal/pkg/env"
+	"fastbin/internal/web/views"
+)
+
+type api_write_response struct {
+	Key string `json:"key"`
+}
+
+type api_read_response struct {
+	Error string `json:"error"`
+	Text  string `json:"text"`
+}
+
+func NewServer(port int) *http.Server {
+	API_URL := env.GetEnv("API_URL", "localhost:8080")
+
+	r := gin.Default()
+
+	engineHTMLRenderer := r.HTMLRender
+	r.HTMLRender = &HTMLTemplRenderer{FallbackHtmlRenderer: engineHTMLRenderer}
+
+	r.StaticFS("/assets", http.FS(Files))
+
+	r.GET("/", func(ctx *gin.Context) {
+		ctx.HTML(http.StatusOK, "", views.Write())
+	})
+
+	r.POST("/", func(ctx *gin.Context) {
+
+		text := ctx.Request.FormValue("text")
+		postBody, _ := json.Marshal(map[string]string{
+			"text": text,
+		})
+
+		url := API_URL + "/write"
+		response, err := http.Post(url, "application/json", bytes.NewBuffer(postBody))
+		if err != nil {
+			ctx.Redirect(http.StatusTemporaryRedirect, "/500")
+		}
+
+		var api_res api_write_response
+		decoder := json.NewDecoder(response.Body)
+
+		err = decoder.Decode(&api_res)
+		if err != nil {
+			ctx.Redirect(http.StatusTemporaryRedirect, "/500")
+		}
+
+		if response.StatusCode == http.StatusOK {
+			ctx.Writer.Header().Add("Hx-Redirect", api_res.Key)
+		} else {
+			ctx.Redirect(http.StatusTemporaryRedirect, "/500")
+		}
+
+	})
+
+	r.GET("/404", func(ctx *gin.Context) {
+		ctx.HTML(http.StatusOK, "", views.NotFound())
+	})
+	r.GET("/500", func(ctx *gin.Context) {
+		ctx.HTML(http.StatusOK, "", views.ServerError())
+	})
+
+	r.GET("/:key", func(ctx *gin.Context) {
+		url := API_URL + "/read/" + ctx.Param("key")
+
+		response, err := http.Get(url)
+		if err != nil {
+			ctx.Redirect(http.StatusTemporaryRedirect, "/500")
+		}
+
+		var api_res api_read_response
+		decoder := json.NewDecoder(response.Body)
+
+		err = decoder.Decode(&api_res)
+		if err != nil {
+			ctx.Redirect(http.StatusTemporaryRedirect, "/500")
+		}
+
+		if response.StatusCode == http.StatusOK {
+			ctx.HTML(http.StatusOK, "", views.Read(api_res.Text))
+		} else if response.StatusCode == http.StatusNotFound {
+			ctx.Redirect(http.StatusTemporaryRedirect, "/404")
+		} else {
+			ctx.Redirect(http.StatusTemporaryRedirect, "/500")
+		}
+
+	})
+
+	server := &http.Server{
+		Addr:         fmt.Sprintf(":%d", port),
+		Handler:      r,
+		IdleTimeout:  time.Minute,
+		ReadTimeout:  10 * time.Second,
+		WriteTimeout: 30 * time.Second,
+	}
+
+	return server
+}

internal/web/views/404.templ

@@ -0,0 +1,17 @@
+package views
+
+templ NotFound() {
+	@Base("fastbin") {
+		@Header() {
+			<a href="/" class="inline-block text-center align-middle">
+				@Button() {
+					<span class="material-symbols-outlined">note_add</span>
+				}
+			</a>
+		}
+		<div class="flex flex-1 w-full text-white text-xl">
+			<div class="h-full px-2.5 select-none">></div>
+			<div class="flex w-full h-full bg-transparent resize-none text-white justify-center items-center text-8xl"><div>404: Page Not Found. </div></div>
+		</div>
+	}
+}

internal/web/views/500.templ

@@ -0,0 +1,17 @@
+package views
+
+templ ServerError() {
+    @Base("fastbin") {
+		@Header() {
+			<a href="/" class="inline-block text-center align-middle">
+				@Button() {
+					<span class="material-symbols-outlined">note_add</span>
+				}
+			</a>
+		}
+		<div class="flex flex-1 w-full text-white text-xl">
+			<div class="h-full px-2.5 select-none">></div>
+			<div class="flex w-full h-full bg-transparent resize-none text-white justify-center items-center text-8xl"><div>500: Internal Server Error</div></div>
+		</div>
+    }
+}

internal/web/views/base.templ

@@ -0,0 +1,34 @@
+package views
+
+templ Base(title string) {
+	<html>
+		<head>
+			<meta charset="UTF-8"/>
+			<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
+			<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Symbols+Outlined" />
+			<script src="assets/js/htmx.min.js"></script>
+			<link rel="stylesheet" href="assets/css/output.css"/>
+			<title>{ title }</title>
+		</head>
+		<body>
+			<main class="w-dvw h-dvh bg-primary flex flex-col items-start justify-center">
+				{ children... }
+			</main>
+		</body>
+	</html>
+}
+
+templ Header() {
+	<div class="w-full flex justify-between items-center text-white border-b-2 border-b-border">
+		<div class="px-[20px] py-[10px] text-4xl italic select-none pointer-events-none">fastbin</div>
+		<div class="flex self-stretch items-stretch">
+			{ children... }
+		</div>
+	</div>
+}
+
+templ Button() {
+	<div class="w-[70px] h-[70px] flex justify-center align-middle items-center text-center cursor-pointer select-none hover:bg-border/50">
+		{ children... }
+	</div>
+}

internal/web/views/read.templ

@@ -0,0 +1,17 @@
+package views
+
+templ Read(text string) {
+	@Base("fastbin") {
+		@Header() {
+			<a href="/" class="inline-block text-center align-middle">
+				@Button() {
+					<span class="material-symbols-outlined">note_add</span>
+				}
+			</a>
+		}
+		<div class="flex flex-1 w-full text-white text-xl">
+			<div class="h-full px-2.5 select-none">></div>
+			<textarea required readonly name="text" id="input" autofocus wrap="off" spellcheck="false" class="flex-1 w-full h-full bg-transparent resize-none outline-none border-none text-white text-xl">{ text } </textarea>
+		</div>
+	}
+}

internal/web/views/write.templ

@@ -0,0 +1,41 @@
+package views
+
+var onceHandle = templ.NewOnceHandle()
+
+templ Write() {
+	@Base("fastbin") {
+		<form id="input_form" hx-post="/" class="w-dvw h-dvh bg-primary flex flex-col items-start justify-center">
+			@Header() {
+				<a href="/" class="inline-block text-center align-middle">
+					@Button() {
+						<span class="material-symbols-outlined">note_add</span>
+					}
+				</a>
+                <a>
+				<button type="submit">
+					@Button() {
+						<span class="material-symbols-outlined">save</span>
+					}
+				</button>
+                </a>
+			}
+			<script type="text/javascript">
+                function keyDownHandler(e) {
+                    if (e.key === "Tab") {
+                        e.preventDefault()
+                        e.currentTarget.setRangeText(
+                            '\t',
+                            e.currentTarget.selectionStart,
+                            e.currentTarget.selectionStart,
+                            'end'
+                        )
+                    }
+                }
+            </script>
+			<div class="flex flex-1 w-full text-white text-xl">
+				<div class="h-full px-2.5 select-none">></div>
+				<textarea required name="text" id="input" onkeydown="keyDownHandler(event)" autofocus wrap="off" spellcheck="false" class="flex-1 w-full h-full bg-transparent resize-none outline-none border-none text-white text-xl"></textarea>
+			</div>
+		</form>
+	}
+}

syntax.env

@@ -1,6 +1,8 @@
 # API_INTERNAL_PORT=8080 # When using without docker
 # KEYGEN_INTERNAL_PORT=8081 # When using without docker
 
+API_URL=http://api-server
+
 KEYGEN_PORT=8080
 KEYGEN_HOST=localhost
 

tailwind.config.js

@@ -0,0 +1,15 @@
+/** @type {import('tailwindcss').Config} */
+module.exports = {
+    content: [
+        "./internal/**/*.{go,js,templ,html}"
+    ],
+    theme: {
+        extend: {
+            colors: {
+                "primary": "rgb(var(--primary-color) / <alpha-value>)",
+                "border": "rgb(var(--border-color) / <alpha-value>)"
+            }
+        },
+    },
+    plugins: [],
+}