Refactor Dockerfile to streamline backend build process by consolidating stages and improving dependency management

backend/Dockerfile

@@ -9,21 +9,26 @@ COPY recipe-document-converter/src ./src
 COPY recipe-document-converter/tsconfig.json ./
 RUN npm run build
 
-# Stage 2: Installera backend-beroenden
-FROM node:22-alpine AS deps
-WORKDIR /app
-COPY backend/package.json ./
-COPY backend/prisma ./prisma
-RUN npm install
-
-# Stage 3: Bygg applikationen
+# Stage 2: Bygg applikationen
 FROM node:22-alpine AS builder
 WORKDIR /app
-COPY --from=deps /app/node_modules ./node_modules
-# Ersätt det symlinkat recipe-document-converter med den byggda versionen
-RUN rm -rf ./node_modules/recipe-document-converter
+# Kopiera backend-filer
+COPY backend/package.json ./
+COPY backend/package-lock.json ./
+COPY backend/prisma ./prisma
+COPY backend/src ./src
+COPY backend/tsconfig.json ./
+COPY backend/nest-cli.json ./
+
+# Lägg converter i node_modules INNAN npm install
 COPY --from=converter-build /converter ./node_modules/recipe-document-converter
-COPY backend/ .
+
+# Ta bort file-dependency från package.json innan npm install
+RUN node -e "const pkg = require('./package.json'); delete pkg.dependencies['recipe-document-converter']; require('fs').writeFileSync('./package.json', JSON.stringify(pkg, null, 2));"
+
+# Nu kan npm install köras utan att försöka lösa det icke-existerande file:// beroendet
+RUN npm install
+
 RUN npx prisma generate
 RUN npm run build