Updated Dockerfile to work with pnpm.

Author: digitalnomad91

Dockerfile

@@ -1,3 +1,10 @@
+# Ensure devDependencies are installed for build
+# Install pnpm if not present, then install all dependencies including devDependencies
+RUN corepack enable && corepack prepare pnpm@latest --activate
+RUN pnpm install
+
+# Build the app (nest CLI will be available)
+RUN pnpm build
 # syntax=docker/dockerfile:1
 FROM node:24-alpine
 
@@ -7,14 +14,18 @@ RUN npm install -g pnpm
 # your working dir in container
 WORKDIR /usr/src/app
 
-# copy only manifest and lockfile, install prod deps
+
+# copy only manifest and lockfile, install all deps (including devDependencies)
 COPY package.json pnpm-lock.yaml ./
-RUN pnpm install --prod
+RUN pnpm install
 
 # copy source & build
 COPY . .
 RUN pnpm build
 
+# prune devDependencies for smaller final image
+RUN pnpm prune --prod
+
 # ensure entrypoint is executable
 RUN chmod +x docker-entrypoint.sh