Add dynamic port binding

featherware · Dec 25, 2023 · af89336 · af89336
1 parent 5712ae4
commit af89336
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Showing 3 changed files with 6 additions and 1 deletion.
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
@@ -28,5 +28,6 @@ jobs:
           context: .
           push: true
           tags: ghcr.io/${{ github.repository_owner }}/react-app-template:latest
+          build-args: PORT=5100
 
 permissions: write-all
diff --git a/Dockerfile b/Dockerfile
@@ -30,5 +30,8 @@ COPY --from=prerelease /usr/src/app/index.ts .
 COPY --from=prerelease /usr/src/app/package.json .
 
 USER bun
-EXPOSE 5100/tcp
+
+ARG PORT=5100
+ENV PORT=${PORT}
+EXPOSE ${PORT}/tcp
 ENTRYPOINT [ "bun", "run", "index.ts"]
diff --git a/index.ts b/index.ts
@@ -10,4 +10,5 @@ app.get("/healthcheck", (req: any, res: any) => {
 });
 
 const PORT = process.env.PORT || 5100; // TODO update from Docker env var
+console.log(`Server started on port ${PORT}`);
 app.listen(PORT);