fix: Add Dockerfile

apps/nextjs/Dockerfile

@@ -0,0 +1,78 @@
+ARG NODE_VERSION=20
+ARG APP_DIRNAME=nextjs
+ARG PROJECT=@acme/nextjs
+
+# 1. Alpine image
+FROM node:${NODE_VERSION}-alpine AS alpine
+RUN apk update
+RUN apk add --no-cache libc6-compat
+
+# Setup pnpm and turbo on the alpine base
+FROM alpine AS base
+RUN corepack enable
+# Replace <your-major-version> with the major version installed in your repository. For example:
+# RUN npm install [email protected] --global
+RUN npm install turbo --global
+
+RUN pnpm config set store-dir ~/.pnpm-store
+
+# 2. Prune projects
+FROM base AS pruner
+# https://stackoverflow.com/questions/49681984/how-to-get-version-value-of-package-json-inside-of-dockerfile
+# RUN export VERSION=$(npm run version)
+
+ARG PROJECT
+
+# Set working directory
+WORKDIR /app
+
+# It might be the path to <ROOT> turborepo
+COPY . .
+
+# Generate a partial monorepo with a pruned lockfile for a target workspace.
+# Assuming "@acme/nextjs" is the name entered in the project's package.json: { name: "@acme/nextjs" }
+RUN turbo prune --scope=${PROJECT} --docker
+
+# 3. Build the project
+FROM base AS builder
+ARG PROJECT
+
+# Environment to skip .env validation on build
+ENV CI=true
+
+WORKDIR /app
+
+# Copy lockfile and package.json's of isolated subworkspace
+COPY --from=pruner /app/out/pnpm-lock.yaml ./pnpm-lock.yaml
+COPY --from=pruner /app/out/pnpm-workspace.yaml ./pnpm-workspace.yaml
+COPY --from=pruner /app/out/json/ .
+
+# First install the dependencies (as they change less often)
+RUN --mount=type=cache,id=pnpm,target=~/.pnpm-store pnpm install --frozen-lockfile
+
+# Copy source code of isolated subworkspace
+COPY --from=pruner /app/out/full/ .
+
+RUN pnpm build --filter=${PROJECT}
+
+# 4. Final image - runner stage to run the application
+FROM base AS runner
+ARG APP_DIRNAME
+
+# Don't run production as root
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+USER nextjs
+
+WORKDIR /app
+
+ENV NODE_ENV=production
+
+COPY --from=builder --chown=nextjs:nodejs /app .
+WORKDIR /app/apps/${APP_DIRNAME}
+
+ARG PORT=3000
+ENV PORT=${PORT}
+EXPOSE ${PORT}
+
+CMD ["pnpm", "start"]