Optimize docker image for production

[ukashazia]

What kind of change does this PR introduce?

• use cache layers and multiple build stages to reduce image size by half (from ~8Gib to ~4Gib)
• reduce image build time of successive builds
• replace Dockerfile.dev with Dockerfile in relevant files

Why was this change needed?

• building container image takes a while and any change in source code invalidated the node dependency caches
• image took more than 8 Gib on disk

Checklist:

Put a "X" in the boxes below to indicate you have followed the checklist;

• [X ] I have read the CONTRIBUTING guide.
• [ X] I checked that there were not similar issues or PRs already open for this.
• [X ] This PR fixes just ONE issue (do not include multiple issues or types of change in the same PR) For example, don't try and fix a UI issue and include new dependencies in the same PR.

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[Copilot]

Pull Request Overview

This PR optimizes the Docker build process for production by implementing multi-stage builds and build caching to reduce image size from ~8GB to ~4GB and improve build times. The changes replace the previous Dockerfile.dev with an optimized production Dockerfile across all build workflows.

• Implements multi-stage Docker build with separate stages for dependencies, build, production dependencies, and runtime
• Adds build caching layers and optimizes package installation to reduce successive build times
• Updates all CI/CD workflows and build scripts to use the new optimized Dockerfile

Reviewed Changes

Copilot reviewed 6 out of 7 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
package.json	Moves prisma from devDependencies to dependencies for production builds
Dockerfile	New multi-stage production-optimized Dockerfile with caching and cleanup
Jenkinsfile	Updates Docker build command to use new Dockerfile
.github/workflows/pr-docker-build.yml	Updates PR workflow to use optimized Dockerfile
.github/workflows/build-containers.yml	Updates container build workflow to use new Dockerfile
.dockerignore	Comprehensive ignore rules to reduce build context size

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

[Copilot]

Copying the entire source code (COPY . .) before installing production dependencies defeats the purpose of layer caching. Consider copying only package files first, then installing dependencies, then copying source code.

Suggested change

	COPY . .
	COPY package.json pnpm-lock.yaml pnpm-workspace.yaml ./
	COPY apps/*/package.json ./apps/
	COPY libraries/*/package.json ./libraries/

[egelhaus]

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[nevo-david]

Please elaborate on the changes, also we can't change Dockerfile.dev to Dockerfile

[ukashazia]

Please elaborate on the changes, also we can't change Dockerfile.dev to Dockerfile

i've mentioned the reasons an changes up in the messages.

could you please let me know if you want me to elaborate on certain specifics