ci: fix docker build failure (#40)

* wip: add directory check

* refactor: the target of replace more explicitly

* wip: change directory output command

* build: change node version

* refactor: replace id param

* docs: fix function style in comment

* ci: remove directory structure output

* revert: undo process

* wip: remove empty slug from path

* ci: re-add directory check

* ci: change step

* build: make explicit a copy of the post folder

* ci: change contents permissions

* chore: change README.md file ignore rule

* ci: add chown command

* ci: add context option

* refactor: cleanup codes

* revert: image node version

* revert: remove redundant COPY

.dockerignore

@@ -2,6 +2,6 @@ Dockerfile
 .dockerignore
 node_modules
 npm-debug.log
-README.md
+/README.md
 .next
 .git

.github/workflows/lint-and-build.yml

@@ -102,4 +102,5 @@ jobs:
         uses: docker/build-push-action@v4
         with:
           file: ./Dockerfile
-          push: false
+          push: false
+          context: .

src/pages/[...id].tsx

@@ -138,8 +138,8 @@ export async function getStaticPaths(): Promise<{
 	);
 	// TODO allows to put in image files in `posts` directory
 	const paths = slugs.map((p) => ({
-		params: { id: p.replace("/", "").split("/") },
-	}));
+		params: { id: p.replace(/^\//, "").split("/") },
+	})).filter((p) => p.params.id.length !== 0 && p.params.id[0] !== "");
 	return {
 		paths,
 		fallback: false,