feat: docker (again)

Dockerfile

@@ -0,0 +1,7 @@
+FROM node:16-alpine
+
+COPY . /rdme
+
+RUN cd /rdme && npm ci && npm run build
+
+CMD ["sh", "-c", "/rdme/bin/rdme $INPUT_RDME"]

action.yml

@@ -9,12 +9,5 @@ inputs:
     description: Command to pass into rdme
     required: true
 runs:
-  using: composite
-  steps:
-    - name: Set up rdme
-      run: npm install --silent --no-save && npm run build --silent
-      shell: bash
-      working-directory: ${{ github.action_path }}
-    - name: Execute rdme command
-      run: ${{ github.action_path }}/bin/rdme ${{ inputs.rdme }}
-      shell: bash
+  using: docker
+  image: Dockerfile