upload image option (#64)

This commit is contained in:
KM Koushik
2024-08-26 20:46:38 +10:00
committed by GitHub
parent 676f5c8c64
commit f9105971f0
17 changed files with 1595 additions and 163 deletions

View File

@@ -18,8 +18,10 @@
},
"dependencies": {
"@auth/prisma-adapter": "^1.4.0",
"@aws-sdk/client-s3": "^3.637.0",
"@aws-sdk/client-sesv2": "^3.535.0",
"@aws-sdk/client-sns": "^3.540.0",
"@aws-sdk/s3-request-presigner": "^3.637.0",
"@hono/swagger-ui": "^0.2.1",
"@hono/zod-openapi": "^0.10.0",
"@hookform/resolvers": "^3.3.4",

View File

@@ -40,6 +40,8 @@ const sendSchema = z.object({
confirmation: z.string(),
});
const IMAGE_SIZE_LIMIT = 10 * 1024 * 1024;
export default function EditCampaignPage({
params,
}: {
@@ -79,7 +81,11 @@ export default function EditCampaignPage({
return <CampaignEditor campaign={campaign} />;
}
function CampaignEditor({ campaign }: { campaign: Campaign }) {
function CampaignEditor({
campaign,
}: {
campaign: Campaign & { imageUploadSupported: boolean };
}) {
const contactBooksQuery = api.contacts.getContactBooks.useQuery();
const utils = api.useUtils();
@@ -100,6 +106,7 @@ function CampaignEditor({ campaign }: { campaign: Campaign }) {
},
});
const sendCampaignMutation = api.campaign.sendCampaign.useMutation();
const getUploadUrl = api.campaign.generateImagePresignedUrl.useMutation();
const sendForm = useForm<z.infer<typeof sendSchema>>({
resolver: zodResolver(sendSchema),
@@ -143,6 +150,33 @@ function CampaignEditor({ campaign }: { campaign: Campaign }) {
);
}
const handleFileChange = async (file: File) => {
if (file.size > IMAGE_SIZE_LIMIT) {
throw new Error(
`File should be less than ${IMAGE_SIZE_LIMIT / 1024 / 1024}MB`
);
}
console.log("file type: ", file.type);
const { uploadUrl, imageUrl } = await getUploadUrl.mutateAsync({
name: file.name,
type: file.type,
campaignId: campaign.id,
});
const response = await fetch(uploadUrl, {
method: "PUT",
body: file,
});
if (!response.ok) {
throw new Error("Failed to upload file");
}
return imageUrl;
};
const confirmation = sendForm.watch("confirmation");
return (
@@ -339,6 +373,9 @@ function CampaignEditor({ campaign }: { campaign: Campaign }) {
deboucedUpdateCampaign();
}}
variables={["email", "firstName", "lastName"]}
uploadImage={
campaign.imageUploadSupported ? handleFileChange : undefined
}
/>
</div>
</div>

View File

@@ -49,6 +49,10 @@ export const env = createEnv({
.string()
.default("false")
.transform((str) => str === "true"), // Converts string "true" to boolean true
S3_COMPATIBLE_ACCESS_KEY: z.string().optional(),
S3_COMPATIBLE_SECRET_KEY: z.string().optional(),
S3_COMPATIBLE_API_URL: z.string().optional(),
S3_COMPATIBLE_PUBLIC_URL: z.string().optional(),
},
/**
@@ -88,6 +92,10 @@ export const env = createEnv({
REDIS_URL: process.env.REDIS_URL,
FROM_EMAIL: process.env.FROM_EMAIL,
ENABLE_PRISMA_CLIENT: process.env.ENABLE_PRISMA_CLIENT, // Add this line
S3_COMPATIBLE_ACCESS_KEY: process.env.S3_COMPATIBLE_ACCESS_KEY,
S3_COMPATIBLE_SECRET_KEY: process.env.S3_COMPATIBLE_SECRET_KEY,
S3_COMPATIBLE_API_URL: process.env.S3_COMPATIBLE_API_URL,
S3_COMPATIBLE_PUBLIC_URL: process.env.S3_COMPATIBLE_PUBLIC_URL,
},
/**
* Run `build` or `dev` with `SKIP_ENV_VALIDATION` to skip env validation. This is especially

View File

@@ -1,17 +1,24 @@
import { Prisma } from "@prisma/client";
import { TRPCError } from "@trpc/server";
import { z } from "zod";
import { env } from "~/env";
import {
teamProcedure,
createTRPCRouter,
campaignProcedure,
publicProcedure,
} from "~/server/api/trpc";
import { nanoid } from "~/server/nanoid";
import {
sendCampaign,
subscribeContact,
} from "~/server/service/campaign-service";
import { validateDomainFromEmail } from "~/server/service/domain-service";
import {
DEFAULT_BUCKET,
getDocumentUploadUrl,
isStorageConfigured,
} from "~/server/service/storage-service";
export const campaignRouter = createTRPCRouter({
getCampaigns: teamProcedure
@@ -137,13 +144,19 @@ export const campaignRouter = createTRPCRouter({
});
}
const imageUploadSupported = isStorageConfigured();
if (campaign?.contactBookId) {
const contactBook = await db.contactBook.findUnique({
where: { id: campaign.contactBookId },
});
return { ...campaign, contactBook };
return { ...campaign, contactBook, imageUploadSupported };
}
return { ...campaign, contactBook: null };
return {
...campaign,
contactBook: null,
imageUploadSupported,
};
}),
sendCampaign: campaignProcedure.mutation(
@@ -180,4 +193,25 @@ export const campaignRouter = createTRPCRouter({
return newCampaign;
}
),
generateImagePresignedUrl: campaignProcedure
.input(
z.object({
name: z.string(),
type: z.string(),
})
)
.mutation(async ({ ctx: { team }, input }) => {
const extension = input.name.split(".").pop();
const randomName = `${nanoid()}.${extension}`;
const url = await getDocumentUploadUrl(
`${team.id}/${randomName}`,
input.type
);
const imageUrl = `${env.S3_COMPATIBLE_PUBLIC_URL}/${DEFAULT_BUCKET}/${team.id}/${randomName}`;
return { uploadUrl: url, imageUrl };
}),
});

View File

@@ -4,3 +4,8 @@ export const smallNanoid = customAlphabet(
"1234567890abcdefghijklmnopqrstuvwxyz",
10
);
export const nanoid = customAlphabet(
"1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",
21
);

View File

@@ -0,0 +1,63 @@
import { S3Client, PutObjectCommand } from "@aws-sdk/client-s3";
import { getSignedUrl } from "@aws-sdk/s3-request-presigner";
import { env } from "~/env";
let S3: S3Client | null = null;
export const DEFAULT_BUCKET = "unsend";
export const isStorageConfigured = () =>
!!(
env.S3_COMPATIBLE_ACCESS_KEY &&
env.S3_COMPATIBLE_API_URL &&
env.S3_COMPATIBLE_PUBLIC_URL &&
env.S3_COMPATIBLE_SECRET_KEY
);
const getClient = () => {
if (
!S3 &&
env.S3_COMPATIBLE_ACCESS_KEY &&
env.S3_COMPATIBLE_API_URL &&
env.S3_COMPATIBLE_PUBLIC_URL &&
env.S3_COMPATIBLE_SECRET_KEY
) {
S3 = new S3Client({
region: "auto",
endpoint: env.S3_COMPATIBLE_API_URL,
credentials: {
accessKeyId: env.S3_COMPATIBLE_ACCESS_KEY,
secretAccessKey: env.S3_COMPATIBLE_SECRET_KEY,
},
forcePathStyle: true, // needed for minio
});
}
return S3;
};
export const getDocumentUploadUrl = async (
key: string,
fileType: string,
bucket: string = DEFAULT_BUCKET
) => {
const s3Client = getClient();
if (!s3Client) {
throw new Error("R2 is not configured");
}
const url = await getSignedUrl(
s3Client,
new PutObjectCommand({
Bucket: bucket,
Key: key,
ContentType: fileType,
}),
{
expiresIn: 3600,
signableHeaders: new Set(["content-type"]),
}
);
return url;
};

View File

@@ -24,6 +24,21 @@ services:
- redis:/data
command: ["redis-server", "--maxmemory-policy", "noeviction"]
minio:
image: minio/minio
container_name: unsend-storage-dev
ports:
- 9002:9002
- 9001:9001
volumes:
- minio:/data
environment:
MINIO_ROOT_USER: unsend
MINIO_ROOT_PASSWORD: password
entrypoint: sh
command: -c 'mkdir -p /data/unsend && minio server /data --console-address ":9001" --address ":9002"'
volumes:
database:
redis:
minio:

View File

@@ -29,6 +29,20 @@ services:
- cache:/data
command: ["redis-server", "--maxmemory-policy", "noeviction"]
minio:
image: minio/minio
container_name: unsend-storage-prod
ports:
- 9002:9002
- 9001:9001
volumes:
- storage:/data
environment:
MINIO_ROOT_USER: unsend
MINIO_ROOT_PASSWORD: password
entrypoint: sh
command: -c 'mkdir -p /data/unsend && minio server /data --console-address ":9001" --address ":9002"'
unsend:
image: unsend/unsend:latest
container_name: unsend
@@ -57,3 +71,4 @@ services:
volumes:
database:
cache:
storage:

View File

@@ -15,6 +15,7 @@ import { cn } from "@unsend/ui/lib/utils";
import { extensions } from "./extensions";
import LinkMenu from "./menus/LinkMenu";
import { Content, Editor as TipTapEditor } from "@tiptap/core";
import { UploadFn } from "./extensions/ImageExtension";
const content = `<h2>Hello World!</h2>
@@ -65,12 +66,14 @@ export type EditorProps = {
onUpdate?: (content: TipTapEditor) => void;
initialContent?: Content;
variables?: Array<string>;
uploadImage?: UploadFn;
};
export const Editor: React.FC<EditorProps> = ({
onUpdate,
initialContent,
variables,
uploadImage,
}) => {
const menuContainerRef = useRef(null);
@@ -91,7 +94,7 @@ export const Editor: React.FC<EditorProps> = ({
},
},
},
extensions: extensions({ variables }),
extensions: extensions({ variables, uploadImage }),
onUpdate: ({ editor }) => {
onUpdate?.(editor);
},

View File

@@ -1,49 +1,142 @@
import { ReactNodeViewRenderer } from "@tiptap/react";
import TipTapImage from "@tiptap/extension-image";
import { ResizableImageTemplate } from "../nodes/image-resize";
import { PluginKey, Plugin } from "@tiptap/pm/state";
import { toast } from "@unsend/ui/src/toaster";
export const ResizableImageExtension = TipTapImage.extend({
addAttributes() {
return {
...this.parent?.(),
width: { renderHTML: ({ width }) => ({ width }), default: "600" },
height: { renderHTML: ({ height }) => ({ height }) },
borderRadius: {
default: "0",
},
borderWidth: {
default: "0",
},
borderColor: {
default: "rgb(0, 0, 0)",
},
alignment: {
default: "center",
renderHTML: ({ alignment }) => ({ "data-alignment": alignment }),
parseHTML: (element) =>
element.getAttribute("data-alignment") || "center",
},
externalLink: {
default: null,
renderHTML: ({ externalLink }) => {
if (!externalLink) {
return {};
}
return {
"data-external-link": externalLink,
};
const uploadKey = new PluginKey("upload-image");
export type UploadFn = (image: File) => Promise<string>;
interface ResizableImageExtensionOptions {
uploadImage?: UploadFn;
}
export const ResizableImageExtension =
TipTapImage.extend<ResizableImageExtensionOptions>({
addAttributes() {
return {
...this.parent?.(),
width: { renderHTML: ({ width }) => ({ width }), default: "600" },
height: { renderHTML: ({ height }) => ({ height }) },
borderRadius: {
default: "0",
},
parseHTML: (element) => {
const externalLink = element.getAttribute("data-external-link");
return externalLink ? { externalLink } : null;
borderWidth: {
default: "0",
},
},
alt: {
default: "image",
},
};
},
addNodeView() {
return ReactNodeViewRenderer(ResizableImageTemplate);
},
});
borderColor: {
default: "rgb(0, 0, 0)",
},
alignment: {
default: "center",
renderHTML: ({ alignment }) => ({ "data-alignment": alignment }),
parseHTML: (element) =>
element.getAttribute("data-alignment") || "center",
},
externalLink: {
default: null,
renderHTML: ({ externalLink }) => {
if (!externalLink) {
return {};
}
return {
"data-external-link": externalLink,
};
},
parseHTML: (element) => {
const externalLink = element.getAttribute("data-external-link");
return externalLink ? { externalLink } : null;
},
},
alt: {
default: "image",
},
isUploading: {
default: false,
},
};
},
addNodeView() {
return ReactNodeViewRenderer(ResizableImageTemplate);
},
addProseMirrorPlugins() {
return [
new Plugin({
key: uploadKey,
props: {
handleDOMEvents: {
drop: (view, event) => {
event.preventDefault();
const hasFiles = event.dataTransfer?.files?.length;
if (!hasFiles) return false;
const image = Array.from(event.dataTransfer.files).find(
(file) => file.type.startsWith("image/")
);
if (!this.options.uploadImage) {
toast.error("Upload image is not supported");
return true;
}
if (!image) {
toast.error("Only image is supported");
return true;
}
event.preventDefault();
const { schema } = view.state;
if (!schema.nodes.image) return false;
const coordinates = view.posAtCoords({
left: event.clientX,
top: event.clientY,
});
const placeholder = URL.createObjectURL(image);
const node = schema.nodes.image.create({
src: placeholder,
isUploading: true,
});
const transaction = view.state.tr.insert(
coordinates?.pos || 0,
node
);
view.dispatch(transaction);
this.options
.uploadImage?.(image)
.then((url) => {
const updateTransaction = view.state.tr.setNodeMarkup(
coordinates?.pos || 0,
null,
{
src: url,
isUploading: false,
}
);
view.dispatch(updateTransaction);
})
.catch((error) => {
// Remove the placeholder image node if there's an error
const removeTransaction = view.state.tr.delete(
coordinates?.pos || 0,
(coordinates?.pos || 0) + 1
);
view.dispatch(removeTransaction);
toast.error("Error uploading image:", error.message);
console.error("Error uploading image:", error);
});
return true;
},
},
},
}),
];
},
});

View File

@@ -27,6 +27,7 @@ import {
useState,
} from "react";
import tippy, { GetReferenceClientRect } from "tippy.js";
import { UploadFn } from "./ImageExtension";
export interface CommandProps {
editor: Editor;
@@ -65,6 +66,7 @@ export const SlashCommand = Extension.create({
props.command({ editor, range });
},
},
uploadImage: undefined as UploadFn | undefined,
};
},
addProseMirrorPlugins() {
@@ -77,7 +79,7 @@ export const SlashCommand = Extension.create({
},
});
const DEFAULT_SLASH_COMMANDS: SlashCommandItem[] = [
const DEFAULT_SLASH_COMMANDS = (uploadImage?: UploadFn): SlashCommandItem[] => [
{
title: "Text",
description: "Just start typing with plain text.",
@@ -158,14 +160,46 @@ const DEFAULT_SLASH_COMMANDS: SlashCommandItem[] = [
searchTerms: ["image"],
icon: <ImageIcon className="h-4 w-4" />,
command: ({ editor, range }: CommandProps) => {
const imageUrl = prompt("Image URL: ") || "";
if (uploadImage) {
const input = document.createElement("input");
input.type = "file";
input.accept = "image/*";
input.onchange = async () => {
const file = input.files?.[0];
if (file && uploadImage) {
editor.chain().focus().deleteRange(range).run();
const placeholder = URL.createObjectURL(file);
editor
.chain()
.focus()
.setImage({ src: placeholder })
.updateAttributes("image", { isUploading: true })
.run();
try {
console.log("before upload");
const url = await uploadImage(file);
editor
.chain()
.focus()
.updateAttributes("image", { src: url, isUploading: false })
.run();
} catch (e) {
editor.chain().focus().deleteNode("image").run();
console.error("Failed to upload image:", e);
}
}
};
input.click();
} else {
const imageUrl = prompt("Image URL: ") || "";
if (!imageUrl) {
return;
if (!imageUrl) {
return;
}
editor.chain().focus().deleteRange(range).run();
editor.chain().focus().setImage({ src: imageUrl }).run();
}
editor.chain().focus().deleteRange(range).run();
editor.chain().focus().setImage({ src: imageUrl }).run();
},
},
{
@@ -186,16 +220,6 @@ const DEFAULT_SLASH_COMMANDS: SlashCommandItem[] = [
editor.chain().focus().deleteRange(range).toggleBlockquote().run();
},
},
// {
// title: "Footer",
// description: "Add a footer text to email.",
// searchTerms: ["footer", "text"],
// icon: <FootprintsIcon className="h-4 w-4" />,
// command: ({ editor, range }: CommandProps) => {
// editor.chain().focus().deleteRange(range).setFooter().run();
// },
// },
{
title: "Button",
description: "Add code.",
@@ -372,22 +396,25 @@ const CommandList = ({
};
export function getSlashCommandSuggestions(
commands: SlashCommandItem[] = []
commands: SlashCommandItem[] = [],
uploadImage?: UploadFn
): Omit<SuggestionOptions, "editor"> {
return {
items: ({ query }) => {
return [...DEFAULT_SLASH_COMMANDS, ...commands].filter((item) => {
if (typeof query === "string" && query.length > 0) {
const search = query.toLowerCase();
return (
item.title.toLowerCase().includes(search) ||
item.description.toLowerCase().includes(search) ||
(item.searchTerms &&
item.searchTerms.some((term: string) => term.includes(search)))
);
return [...DEFAULT_SLASH_COMMANDS(uploadImage), ...commands].filter(
(item) => {
if (typeof query === "string" && query.length > 0) {
const search = query.toLowerCase();
return (
item.title.toLowerCase().includes(search) ||
item.description.toLowerCase().includes(search) ||
(item.searchTerms &&
item.searchTerms.some((term: string) => term.includes(search)))
);
}
return true;
}
return true;
});
);
},
render: () => {
let component: ReactRenderer<any>;

View File

@@ -16,9 +16,15 @@ import { SlashCommand, getSlashCommandSuggestions } from "./SlashCommand";
import { VariableExtension } from "./VariableExtension";
import { getVariableSuggestions } from "../nodes/variable";
import { UnsubscribeFooterExtension } from "./UnsubsubscribeExtension";
import { ResizableImageExtension } from "./ImageExtension";
import { ResizableImageExtension, UploadFn } from "./ImageExtension";
export function extensions({ variables }: { variables?: Array<string> }) {
export function extensions({
variables,
uploadImage,
}: {
variables?: Array<string>;
uploadImage?: UploadFn;
}) {
const extensions = [
StarterKit.configure({
heading: {
@@ -64,7 +70,8 @@ export function extensions({ variables }: { variables?: Array<string> }) {
TaskItem,
TaskList,
SlashCommand.configure({
suggestion: getSlashCommandSuggestions([]),
suggestion: getSlashCommandSuggestions([], uploadImage),
uploadImage,
}),
Placeholder.configure({
placeholder: "write something on '/' for commands",
@@ -75,7 +82,7 @@ export function extensions({ variables }: { variables?: Array<string> }) {
suggestion: getVariableSuggestions(variables),
}),
UnsubscribeFooterExtension,
ResizableImageExtension,
ResizableImageExtension.configure({ uploadImage }),
];
return extensions;

View File

@@ -167,7 +167,7 @@ export function ButtonComponent(props: NodeViewProps) {
<div className="flex">
{alignments.map((alignment) => (
<Tooltip key={alignment}>
<TooltipTrigger>
<TooltipTrigger asChild>
<Button
variant="ghost"
key={alignment}

View File

@@ -27,6 +27,7 @@ import {
TooltipTrigger,
} from "@unsend/ui/src/tooltip";
import { Separator } from "@unsend/ui/src/separator";
import Spinner from "@unsend/ui/src/spinner";
import { LinkEditorPanel } from "../components/panels/LinkEditorPanel";
import { TextEditorPanel } from "../components/panels/TextEditorPanel";
@@ -168,6 +169,7 @@ export function ResizableImageTemplate(props: NodeViewProps) {
alt,
borderRadius: _br,
borderColor: _bc,
isUploading,
...attrs
} = node.attrs || {};
@@ -195,18 +197,31 @@ export function ResizableImageTemplate(props: NodeViewProps) {
}[alignment as string] || {}),
}}
>
<Popover open={props.selected}>
<Popover open={props.selected && !isUploading}>
<PopoverTrigger>
<img
{...attrs}
ref={imgRef}
style={{
...resizingStyle,
cursor: "default",
marginBottom: 0,
}}
/>
{selected && (
{isUploading ? (
<div className="relative w-full h-full">
<img
{...attrs}
className="flex items-center justify-center opacity-70"
/>
<div className="absolute inset-0 flex items-center justify-center">
<Spinner className="w-8 h-8 text-primary" />
</div>
</div>
) : (
<img
{...attrs}
ref={imgRef}
style={{
...resizingStyle,
cursor: "default",
marginBottom: 0,
}}
/>
)}
{selected && !isUploading && (
<>
{dragButton("left")}
{dragButton("right")}
@@ -239,7 +254,7 @@ export function ResizableImageTemplate(props: NodeViewProps) {
<Separator orientation="vertical" className="h-6 my-auto" />
{alignments.map((alignment) => (
<Tooltip key={alignment}>
<TooltipTrigger>
<TooltipTrigger asChild>
<Button
variant="ghost"
key={alignment}
@@ -326,7 +341,7 @@ export function ResizableImageTemplate(props: NodeViewProps) {
onClick={() => setOpenImgSrc(true)}
>
<Tooltip>
<TooltipTrigger>
<TooltipTrigger asChild>
<ImageIcon className="h-4 w-4 " />
</TooltipTrigger>
<TooltipContent>Image source</TooltipContent>
@@ -346,22 +361,22 @@ export function ResizableImageTemplate(props: NodeViewProps) {
</PopoverContent>
</Popover>
<Popover open={openAltText} onOpenChange={setOpenAltText}>
<PopoverTrigger asChild>
<Button
variant="ghost"
className="px-2"
size="sm"
type="button"
onClick={() => setOpenAltText(true)}
>
<Tooltip>
<TooltipTrigger>
<Tooltip>
<TooltipTrigger asChild>
<PopoverTrigger asChild>
<Button
variant="ghost"
className="px-2"
size="sm"
type="button"
onClick={() => setOpenAltText(true)}
>
<TypeIcon className="h-4 w-4 " />
</TooltipTrigger>
<TooltipContent>Alt text</TooltipContent>
</Tooltip>
</Button>
</PopoverTrigger>
</Button>
</PopoverTrigger>
</TooltipTrigger>
<TooltipContent>Alt text</TooltipContent>
</Tooltip>
<PopoverContent className="light border-gray-200 px-4 py-2">
<TextEditorPanel
initialText={alt}
@@ -375,22 +390,23 @@ export function ResizableImageTemplate(props: NodeViewProps) {
</PopoverContent>
</Popover>
<Popover open={openLink} onOpenChange={setOpenLink}>
<PopoverTrigger asChild>
<Button
variant="ghost"
className="px-2"
size="sm"
type="button"
onClick={() => setOpenLink(true)}
>
<Tooltip>
<TooltipTrigger>
<Tooltip>
<TooltipTrigger asChild>
<PopoverTrigger asChild>
<Button
variant="ghost"
className="px-2"
size="sm"
type="button"
onClick={() => setOpenLink(true)}
>
<LinkIcon className="h-4 w-4 " />
</TooltipTrigger>
<TooltipContent>Link</TooltipContent>
</Tooltip>
</Button>
</PopoverTrigger>
</Button>
</PopoverTrigger>
</TooltipTrigger>
<TooltipContent>Link</TooltipContent>
</Tooltip>
<PopoverContent className="light border-gray-200 px-4 py-2">
<LinkEditorPanel
initialUrl={externalLink}

View File

@@ -3,6 +3,6 @@
"compilerOptions": {
"outDir": "dist"
},
"include": ["src", "turbo", "**/*.ts", "**/*.tsx"],
"include": ["src", "**/*.ts", "**/*.tsx"],
"exclude": ["node_modules", "dist"]
}

1177
pnpm-lock.yaml generated

File diff suppressed because it is too large Load Diff

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@@ -33,7 +33,11 @@
"UNSEND_API_KEY",
"GOOGLE_CLIENT_ID",
"GOOGLE_CLIENT_SECRET",
"NEXT_PUBLIC_IS_CLOUD"
"NEXT_PUBLIC_IS_CLOUD",
"S3_COMPATIBLE_ACCESS_KEY",
"S3_COMPATIBLE_SECRET_KEY",
"S3_COMPATIBLE_API_URL",
"S3_COMPATIBLE_PUBLIC_URL"
]
},
"lint": {