Added support for Astro SSR using the node adapter (#52)

* Added support for Astro SSR using the node adapter

* bump to 0.5.2 for Astro SSR support

* added tests for astro

---------

Co-authored-by: Annie Sexton <[email protected]>
Co-authored-by: Annie Sexton <[email protected]>

gdf.js

@@ -119,6 +119,15 @@ export class GDF {
     return !!(this.#pj.dependencies?.astro)
   }
 
+  get astroSSR() {
+    return !!(this.#pj.dependencies?.astro) &&
+           !!(this.#pj.dependencies?.['@astrojs/node'])
+  }
+
+  get astroStatic() {
+    return this.astro && !this.astroSSR
+  }
+
   get vite() {
     return !!(this.#pj.scripts?.dev === 'vite')
   }
@@ -675,8 +684,10 @@ export class GDF {
 
     if (this.gatsby) {
       return [this.npx, 'gatsby', 'serve', '-H', '0.0.0.0']
-    } else if (this.vite || this.astro) {
+    } else if (this.vite || this.astroStatic) {
       return ['/usr/sbin/nginx', '-g', 'daemon off;']
+    } else if (this.astroSSR) {
+      return ['node', './dist/server/entry.mjs']
     } else if (this.runtime === 'Node.js' && this.#pj.scripts?.start?.includes('fastify')) {
       let start = this.#pj.scripts.start
       if (!start.includes('-a') && !start.includes('--address')) {
@@ -752,7 +763,8 @@ export class GDF {
     let port = 3000
 
     if (this.gatsby) port = 8080
-    if (this.runtime === 'Vite' || this.astro) port = 80
+    if (this.runtime === 'Vite' || this.astroStatic) port = 80
+    if (this.astroSSR) port = 4321
 
     return port
   }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@flydotio/dockerfile",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "Dockerfile generator",
   "main": "./index.js",
   "bin": {

templates/Dockerfile.ejs

@@ -111,7 +111,7 @@ WORKDIR /app
 
 # Set production environment
 <%- emitEnv(baseEnv) %>
-<% } else if (vite || astro) { -%>
+<% } else if (vite || astroStatic) { -%>
 FROM nginx
 <% } else { -%>
 FROM base
@@ -132,8 +132,14 @@ RUN <% if (options.cache) { %><%= pkg_cache %>
 
 <% } -%>
 # Copy built application
-<% if (vite || astro) { -%>
+<% if (vite || astroStatic) { -%>
 COPY --from=build /app/dist /usr/share/nginx/html
+<% } else if (astroSSR) { -%>
+COPY --from=build /app/node_modules /app/node_modules
+COPY --from=build /app/dist /app/dist
+
+ENV PORT=4321
+ENV HOST=0.0.0.0
 <% } else { -%>
 COPY --from=build /app /app
 <% } -%>

test/frameworks/astro-ssr/.dockerignore

@@ -0,0 +1,21 @@
+# build output
+dist/
+
+# generated types
+.astro/
+
+# dependencies
+node_modules/
+
+# logs
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+
+# environment variables
+.env
+.env.production
+
+# macOS-specific files
+.DS_Store

test/frameworks/astro-ssr/Dockerfile

@@ -0,0 +1,46 @@
+# syntax = docker/dockerfile:1
+
+# Adjust NODE_VERSION as desired
+ARG NODE_VERSION=20.9.0
+FROM node:${NODE_VERSION}-slim as base
+
+LABEL fly_launch_runtime="Astro"
+
+# Astro app lives here
+WORKDIR /app
+
+# Set production environment
+ENV NODE_ENV="production"
+
+
+# Throw-away build stage to reduce size of final image
+FROM base as build
+
+# Install packages needed to build node modules
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y build-essential node-gyp pkg-config python-is-python3
+
+# Install node modules
+COPY --link package-lock.json package.json ./
+RUN npm ci
+
+# Copy application code
+COPY --link . .
+
+# Build application
+RUN npm run build
+
+
+# Final stage for app image
+FROM base
+
+# Copy built application
+COPY --from=build /app/node_modules /app/node_modules
+COPY --from=build /app/dist /app/dist
+
+ENV PORT=4321
+ENV HOST=0.0.0.0
+
+# Start the server by default, this can be overwritten at runtime
+EXPOSE 4321
+CMD [ "node", "./dist/server/entry.mjs" ]