feat: redesign the emails with React.

.github/workflows/build-jar.yml

@@ -22,6 +22,13 @@ jobs:
         with:
           java-version: '25'
 
+      - name: Setup Node.js LTS
+        uses: actions/setup-node@v4
+        with:
+          node-version: 'lts/*'
+          cache: 'npm'
+          cache-dependency-path: emails/package-lock.json
+
       - name: Build JAR
         run: |
           chmod +x ./gradlew

.gitignore

@@ -35,3 +35,6 @@ out/
 
 ### VS Code ###
 .vscode/
+.worktrees/
+emails/node_modules/
+emails/dist/

build.gradle

@@ -4,6 +4,11 @@ plugins {
     id 'io.spring.dependency-management' version '1.1.7'
 }
 
+def emailsDir = layout.projectDirectory.dir('emails')
+def renderedEmailsDir = layout.projectDirectory.dir('emails/dist/rendered')
+def templatesDir = layout.projectDirectory.dir('src/main/resources/templates')
+def npmCommand = System.getProperty('os.name').toLowerCase().contains('windows') ? 'npm.cmd' : 'npm'
+
 group = 'me.june8th'
 version = '1.0.0-dev'
 description = 'TicketRushServer'
@@ -51,3 +56,44 @@ dependencies {
 tasks.withType(Test).configureEach {
     useJUnitPlatform()
 }
+
+tasks.register('npmInstallEmails', Exec) {
+    group = 'build'
+    description = 'Installs npm dependencies for the email workspace.'
+    workingDir = emailsDir.asFile
+    commandLine npmCommand, 'ci'
+    inputs.file('emails/package-lock.json')
+    outputs.dir('emails/node_modules')
+}
+
+tasks.register('buildEmailTemplates', Exec) {
+    group = 'build'
+    description = 'Builds static email HTML from the React email workspace.'
+    dependsOn tasks.named('npmInstallEmails')
+    workingDir = emailsDir.asFile
+    commandLine npmCommand, 'run', 'build'
+
+    inputs.files(
+        fileTree(dir: 'emails/src'),
+        fileTree(dir: 'emails/scripts'),
+        'emails/package.json',
+        'emails/package-lock.json',
+        'emails/tsconfig.json',
+        'emails/vite.config.ts'
+    )
+    outputs.dir(renderedEmailsDir)
+}
+
+tasks.register('syncEmailTemplates', Sync) {
+    group = 'build'
+    description = 'Copies rendered email HTML into Spring template resources.'
+    dependsOn tasks.named('buildEmailTemplates')
+
+    from(renderedEmailsDir)
+    include '*.html'
+    into templatesDir
+}
+
+tasks.named('processResources') {
+    dependsOn tasks.named('syncEmailTemplates')
+}

dockerfile

@@ -1,5 +1,16 @@
 FROM eclipse-temurin:25-jdk-alpine AS builder
 
+ENV NVM_DIR=/root/.nvm
+
+RUN apk add --no-cache bash curl && \
+    curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash && \
+    bash -c ". \"$NVM_DIR/nvm.sh\" && \
+        nvm install --lts && \
+        nvm use --lts && \
+        ln -sf \"\$(nvm which current)\" /usr/local/bin/node && \
+        ln -sf \"\$(dirname \"\$(nvm which current)\")/npm\" /usr/local/bin/npm && \
+        ln -sf \"\$(dirname \"\$(nvm which current)\")/npx\" /usr/local/bin/npx"
+
 WORKDIR /app
 COPY . .
 RUN ./gradlew bootJar -x test --no-daemon