feat(dapp): inject WEB3MAIL_IPFS_GATEWAY from GitHub Environment into image

.github/workflows/dapp-deploy.yml

@@ -43,14 +43,26 @@ jobs:
             echo "clean_tag=dev" | tee -a $GITHUB_OUTPUT
           fi
 
+  read-ipfs-gateway:
+    runs-on: ubuntu-latest
+    environment: ${{ github.event.inputs.environment }}
+    outputs:
+      web3mail_ipfs_gateway: ${{ vars.WEB3MAIL_IPFS_GATEWAY }}
+    steps:
+      - name: WEB3MAIL_IPFS_GATEWAY
+        run: echo "WEB3MAIL_IPFS_GATEWAY=$WEB3MAIL_IPFS_GATEWAY"
+        env:
+          WEB3MAIL_IPFS_GATEWAY: ${{ vars.WEB3MAIL_IPFS_GATEWAY }}
+
   docker-publish:
     uses: iExecBlockchainComputing/github-actions-workflows/.github/workflows/docker-build.yml@docker-build-v3.3.0
-    needs: [extract-tag]
+    needs: [extract-tag, read-ipfs-gateway]
     with:
       image-name: 'iexechub/web3mail-dapp'
       registry: 'docker.io'
       dockerfile: 'dapp/Dockerfile'
       context: 'dapp'
+      build-args: WEB3MAIL_IPFS_GATEWAY=${{ needs.read-ipfs-gateway.outputs.web3mail_ipfs_gateway }}
       security-scan: false
       hadolint: true
       push: true
@@ -61,7 +73,6 @@ jobs:
       dockerhub-username: ${{ secrets.DOCKERHUB_USERNAME }}
       dockerhub-password: ${{ secrets.DOCKERHUB_PAT }}
 
-
   sconify:
     if: startsWith(github.event.inputs.environment, 'bellecour-')
     uses: iExecBlockchainComputing/github-actions-workflows/.github/workflows/sconify.yml@sconify-v2.0.0

dapp/Dockerfile

@@ -1,4 +1,6 @@
 FROM node:22-alpine3.22
+ARG WEB3MAIL_IPFS_GATEWAY
+ENV WEB3MAIL_IPFS_GATEWAY=$WEB3MAIL_IPFS_GATEWAY
 WORKDIR /app
 COPY package*.json ./
 RUN npm ci --production

dapp/src/decryptEmailContent.js

@@ -2,17 +2,23 @@ const { Buffer } = require('buffer');
 const forge = require('node-forge');
 const fetch = require('node-fetch');
 
-const DEFAULT_IPFS_GATEWAY = 'https://ipfs-gateway.v8-bellecour.iex.ec';
+const resolveIpfsGatewayUrl = () => {
+  const url = process.env.WEB3MAIL_IPFS_GATEWAY;
+  if (url == null || String(url).trim() === '') {
+    throw new Error('WEB3MAIL_IPFS_GATEWAY environment variable is not set.');
+  }
+  return String(url).trim();
+};
 
 const downloadEncryptedContent = async (
   multiaddr,
-  { ipfsGateway = DEFAULT_IPFS_GATEWAY } = {}
+  { ipfsGateway = resolveIpfsGatewayUrl() } = {}
 ) => {
   const publicUrl = `${ipfsGateway}${multiaddr}`;
   const modifiedMultiaddr = publicUrl.replace('/p2p/', '/ipfs/');
   const res = await fetch(modifiedMultiaddr);
   if (!res.ok) {
-    throw Error(`Failed to load content from ${publicUrl}`);
+    throw new Error(`Failed to load content from ${publicUrl}`);
   }
   const arrayBuffer = await res.arrayBuffer();
   return new Uint8Array(arrayBuffer);

dapp/tests/e2e/app.test.js

@@ -29,6 +29,8 @@ async function cleanOutputs(outputDir) {
 describe('sendEmail', () => {
   beforeEach(async () => {
     // worker env setup
+    process.env.WEB3MAIL_IPFS_GATEWAY =
+      'https://ipfs-gateway.v8-bellecour.iex.ec';
     process.env.IEXEC_IN = './tests/_test_inputs_';
     process.env.IEXEC_OUT = './tests/_test_outputs_/iexec_out';
     // clean IEXEC_OUT

dapp/tests/unit/decryptEmailContent.test.js

@@ -24,9 +24,14 @@ describe('decryptContent', () => {
     expect(decryptedEmailContent).toEqual(emailContent);
   });
 });
-const DEFAULT_IPFS_GATEWAY = 'https://ipfs-gateway.v8-bellecour.iex.ec';
 
 describe('downloadEncryptedContent', () => {
+  const DEFAULT_IPFS_GATEWAY = 'https://ipfs-gateway.v8-bellecour.iex.ec';
+
+  beforeEach(() => {
+    process.env.WEB3MAIL_IPFS_GATEWAY = DEFAULT_IPFS_GATEWAY;
+  });
+
   it('should return the encrypted content', async () => {
     const content = `{"JSONPath":"$['rates']['GBP']","body":"","dataType":"number","dataset":"0x0000000000000000000000000000000000000000","headers":{},"method":"GET","url":"https://api.exchangerate.host/latest?base=USD&symbols=GBP"}`;
     const textEncoder = new TextEncoder();