Optimize docker image size (#91)

* Move prisma to runtime dependencies

* Optimize Dockerfile and build script

* Fix: remove mention of generated next-env.d.ts in Dockerfile

* Add missing reset.d.ts file to Dockerfile

* Remove compression steps from Dockerfile and entrypoint script

* Add an env file with mocked env vars added for Docker production builds

* Use server actions to get runtime env vars

* Refactor types and names

* Rollback serverActions, use parsed Zod object for runtime env

* Reintroduce featureFlags object to avoid passing secret envs to the frontend

* Improve string to boolean coercion

Co-authored-by: Sebastien Castiel <sebastien@castiel.me>

* Run prettier autoformat

* Fix type issue, rename function to match behaviour better

---------

Co-authored-by: Lauri Vuorela <lauri.vuorela@gmail.com>
Co-authored-by: Sebastien Castiel <sebastien@castiel.me>

scripts/build-image.sh

@@ -5,9 +5,6 @@ SPLIIT_VERSION=$(node -p -e "require('./package.json').version")
 
 # we need to set dummy data for POSTGRES env vars in order for build not to fail
 docker buildx build \
-    --no-cache \
-    --build-arg POSTGRES_PRISMA_URL=postgresql://build:@db \
-    --build-arg POSTGRES_URL_NON_POOLING=postgresql://build:@db \
     -t ${SPLIIT_APP_NAME}:${SPLIIT_VERSION} \
     -t ${SPLIIT_APP_NAME}:latest \
     .