chore: reduce the docker image by 210 MB / 30%

Dockerfile

@@ -1,3 +1,5 @@
+# Stage 1: Frontend Builder
+# This stage prepares the static frontend assets.
 FROM alpine:3.19 AS frontend
 WORKDIR /opt/frontend
 
@@ -21,30 +23,37 @@ RUN if [ "$BRANCH" = "dev" ]; then \
     && curl -L https://remnawave.github.io/xray-monaco-editor/xray.schema.cn.json -o frontend_crowdin_temp/dist/xray.schema.cn.json \
     && curl -L https://remnawave.github.io/xray-monaco-editor/main.wasm -o frontend_crowdin_temp/dist/main.wasm; \
     else \
-    mkdir -p frontend_crowdin_temp/dist; \
+      mkdir -p frontend_crowdin_temp/dist; \
     fi
 
+# Stage 2: Backend Builder
+# This stage installs all dependencies, generates prisma client, and builds the app bundle.
 FROM node:22 AS backend-build
 WORKDIR /opt/app
 
-ENV PRISMA_CLI_BINARY_TARGETS=linux-musl-openssl-3.0.x,linux-musl-arm64-openssl-3.0.x
-
 COPY package*.json ./
-COPY prisma ./prisma
-
+COPY prisma ./prisma/
 
-RUN npm ci
+RUN npm ci && npx prisma generate
 
+# Copy the rest of the source code
 COPY . .
 
+# Run migrations and build the application
 RUN npm run migrate:generate
-
-RUN npm run build
-
-RUN npm cache clean --force 
-
-RUN npm prune --omit=dev
-
+RUN npm run build && node esbuild.config.mjs --build
+
+# This creates a clean, minimal node_modules with only production dependencies
+RUN \
+  TARGET_BINARY="linux-musl-openssl-3.0.x"; \
+  if [ "$TARGETARCH" = "arm64" ]; then \
+    TARGET_BINARY="linux-musl-arm64-openssl-3.0.x"; \
+  fi \
+  && node esbuild.config.mjs --create-deps \
+  && PRISMA_CLI_BINARY_TARGETS=$TARGET_BINARY npm install --prefix /opt/app/prod_modules
+
+# Stage 3: Production Image
+# This is the final, lean image that will be deployed.
 FROM node:22-alpine
 WORKDIR /opt/app
 
@@ -58,22 +67,44 @@ ENV REMNAWAVE_BRANCH=${BRANCH}
 ENV PRISMA_HIDE_UPDATE_MESSAGE=true
 ENV PRISMA_ENGINES_CHECKSUM_IGNORE_MISSING=1
 
-COPY --from=backend-build /opt/app/dist ./dist
+# Copy the cleanly installed production modules from the build stage
+COPY --from=backend-build /opt/app/prod_modules/node_modules /opt/app/node_modules
+
+# --- Copy Artifacts from Builder Stages ---
+# Copy frontend assets
 COPY --from=frontend /opt/frontend/frontend_temp/dist ./frontend
 COPY --from=frontend /opt/frontend/frontend_crowdin_temp/dist ./frontend-crowdin
-COPY --from=backend-build /opt/app/prisma ./prisma
-COPY --from=backend-build /opt/app/node_modules ./node_modules
 
+# Copy prisma schema (required by the client at runtime)
+COPY --from=backend-build /opt/app/prisma/schema.prisma ./prisma/schema.prisma
+# Copy the pre-generated prisma client and its engine binary from build node_modules.
+COPY --from=backend-build /opt/app/node_modules/.prisma /opt/app/node_modules/.prisma
+COPY --from=backend-build /opt/app/node_modules/@remnawave /opt/app/node_modules/@remnawave
+
+# Copy other necessary files
 COPY configs /var/lib/remnawave/configs
 COPY package*.json ./
 COPY libs ./libs
 
 COPY ecosystem.config.js ./
 COPY docker-entrypoint.sh ./
-
-RUN npm install pm2 -g \
-    && npm link
-
+COPY esbuild.config.mjs ./
+
+# Copy bundled application code
+RUN --mount=type=bind,from=backend-build,source=/opt/app/bundle,target=/opt/app/bundle \
+    node esbuild.config.mjs --copy-bundled-executables
+
+# Clean up prisma libraries
+RUN \
+  if [ "$TARGETARCH" = "arm64" ]; then \
+    find /opt/app/node_modules/.prisma -name "libquery_engine-*.so.node" ! -name "*arm64*" -delete; \
+  else \
+    find /opt/app/node_modules/.prisma -name "libquery_engine-*.so.node" \( -name "*arm64*" -o -name "*debian*" \) -delete; \
+  fi && \
+  find /opt/app/node_modules/.prisma/client -name "libquery_engine-*.so.node" -exec ln -fs {} /opt/app/node_modules/@prisma/engines/ \;
+
+# Install pm2 globally
+RUN npm install pm2 -g --no-fund
 
 ENTRYPOINT [ "/bin/sh", "docker-entrypoint.sh" ]
 

esbuild.config.mjs

@@ -0,0 +1,87 @@
+import fs from 'fs';
+import path from 'path';
+
+// list of node_modules that are shipped inside the container
+const prodDeps = ['@bull-board/ui', '@prisma/client', 'class-transformer', 'class-validator', 'prisma', 'zod'];
+
+const targets = [
+  { entry: 'dist/src/main.js', out: 'bundle/main.js' },
+  { entry: 'dist/src/bin/cli/cli.js', out: 'bundle/cli.js' },
+  { entry: 'dist/src/bin/processors/processors.js', out: 'bundle/processors.js' },
+  { entry: 'dist/src/bin/scheduler/scheduler.js', out: 'bundle/scheduler.js' },
+  { entry: 'prisma/seed/config.seed.js', out: 'bundle/config.seed.js', dest: 'dist/prisma/seed/config.seed.js' },
+];
+
+// copy out the bundled
+if (process.argv.includes('--create-deps')) {
+  const prodModulesDir = '/opt/app/prod_modules';
+  fs.mkdirSync(prodModulesDir, { recursive: true });
+
+  const mainPkg = JSON.parse(fs.readFileSync('./package.json', 'utf8'));
+  const allDeps = { ...mainPkg.dependencies, ...mainPkg.devDependencies };
+  const pkg = {
+    type: 'module',
+    dependencies: Object.fromEntries(prodDeps.filter(k => allDeps[k]).map(k => [k, allDeps[k]]))
+  };
+
+  fs.writeFileSync(path.join(prodModulesDir, 'package.json'), JSON.stringify(pkg, null, 2));
+  process.exit(0);
+}
+
+// copy out the bundled
+if (process.argv.includes('--copy-bundled-executables')) {
+  const bundleDir = '/opt/app/bundle';
+  targets.forEach(({ entry, out, dest }) => {
+    const srcFile = path.join(bundleDir, path.basename(out));
+    const destFile = dest || entry;
+    const destDir = path.dirname(destFile);
+
+    fs.mkdirSync(destDir, { recursive: true });
+    fs.copyFileSync(srcFile, destFile);
+  });
+  process.exit(0);
+}
+
+const commonOptions = {
+  bundle: true,
+  platform: 'node',
+  target: 'node22',
+  format: 'cjs',
+  minify: true,
+  keepNames: true,
+  minifySyntax: false,
+  treeShaking: true,
+  define: {
+    'process.env.NODE_ENV': '"production"'
+  },
+  metafile: true,
+  logLevel: 'info',
+  external: [
+    ...prodDeps,
+    '@fastify/static',
+    '@mikro-orm/core',
+    '@nestjs/microservices',
+    '@nestjs/microservices/microservices-module',
+    '@nestjs/mongoose',
+    '@nestjs/sequelize/dist/common/sequelize.utils',
+    '@nestjs/typeorm/dist/common/typeorm.utils',
+    '@nestjs/websockets/socket-module',
+    '@remnawave/*',
+    'blessed',
+    'pm2-deploy',
+    'pty.js',
+    'term.js',
+  ]
+};
+
+if (process.argv.includes('--build')) {
+  const { build } = await import('esbuild');
+
+  await Promise.all(targets.map(({ entry, out }) =>
+    build({
+      ...commonOptions,
+      entryPoints: [entry],
+      outfile: out
+    })
+  ));
+}