⚡ Optimize docker-setup

Signed-off-by: SindreKjelsrud <sindre@kjelsrud.dev>

Dockerfile

@@ -1,18 +1,25 @@
-FROM node:lts-alpine AS build
-
+FROM node:lts-alpine AS base
 WORKDIR /app
 
-RUN npm install -g pnpm
+# By copying only the package.json and package-lock.json here, we ensure that the following `-deps` steps are independent of the source code.
+# Therefore, the `-deps` steps will be skipped if only the source code changes.
+COPY package.json pnpm-lock.yaml ./
 
-COPY . /app
+FROM base AS prod-deps
+RUN echo y | npm exec -- pnpm install --prod
 
-RUN pnpm install
-RUN pnpm run build
+FROM base AS build-deps
+RUN npm exec -- pnpm install
 
-FROM caddy:alpine
+FROM build-deps AS build
+COPY . .
+RUN npm exec -- pnpm run build
 
-COPY --from=build /app/dist /usr/share/caddy
+FROM base AS runtime
+COPY --from=prod-deps /app/node_modules ./node_modules
+COPY --from=build /app/dist ./dist
 
+ENV HOST=0.0.0.0
+ENV PORT=4321
 EXPOSE 4321
-
-CMD ["caddy", "file-server", "--root", "/usr/share/caddy", "--listen", ":4321"]
+ENTRYPOINT node ./dist/server/entry.mjs

docker-compose.yml

@@ -1,5 +1,6 @@
 services:
   web:
+    container_name: kjelsrud.dev
     restart: always
     build:
       context: .