feat: Add ci pipeline

.drone.yml

@@ -0,0 +1,42 @@
+---
+kind: pipeline
+type: docker
+name: build
+trigger:
+  event: 
+   - push
+   - cron
+  branch:
+    include:
+      - main
+  cron:
+    include:
+      - daily
+steps:
+  - name: build-lts
+    image: plugins/docker
+    settings:
+      username:
+        from_secret: registry_username
+      password:
+        from_secret: registry_key
+      repo: astrogd/pnpm
+      tags:
+        - lts-alpine
+        - lts
+  - name: build-latest
+    image: plugins/docker
+    settings:
+      username:
+        from_secret: registry_username
+      password:
+        from_secret: registry_key
+      repo: astrogd/pnpm
+      tags:
+        - latest-alpine
+        - latest
+---
+kind: signature
+hmac: 49ace2dd657133770bc210f9493233f83ca27d088dd94a4e54b29432d4188944
+
+...

latest/Dockerfile

@@ -0,0 +1,4 @@
+FROM node:alpine as BASE
+ENV PNPM_HOME="./.pnpm"
+ENV PATH="$PNPM_HOME:$PATH"
+RUN npm i -g pnpm@latest

lts/Dockerfile

@@ -0,0 +1,4 @@
+FROM node:lts-alpine as BASE
+ENV PNPM_HOME="./.pnpm"
+ENV PATH="$PNPM_HOME:$PATH"
+RUN npm i -g pnpm@latest