Add volumes (#1236)

Without volumes all packages get installed locally into `node_modules`.
When there's an issue with cache, I need to remove docker cache and on
top of it remove all local packages. After this PR, everything is
installed into a container.

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Nikoś <nikoshell20@gmail.com>

Author: 3 people

Dockerfile

@@ -8,3 +8,8 @@ RUN corepack enable
 RUN pnpm config set store-dir /home/node/.local/share/pnpm/store
 
 WORKDIR /app
+
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install
+
+RUN mkdir -p /app/src

docker-compose.yml

@@ -3,11 +3,16 @@ services:
     build:
       context: .
       dockerfile: Dockerfile
-    entrypoint: ["bash", "-c"]
-    command: ["pnpm install && pnpm run dev --host 0.0.0.0"]
-    volumes:
-      - .:/app
+    command: ["pnpm", "run", "dev", "--host", "0.0.0.0"]
     ports:
       - "4321:4321"
     environment:
       - ASTRO_TELEMETRY_DISABLED=1
+      - NODE_ENV=development
+    volumes:
+      - .:/app
+      - node_modules:/app/node_modules
+      - .pnpm-store:/app/.pnpm-store
+
+volumes:
+  node_modules: