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>

package.json

@@ -53,7 +53,8 @@
     "ts-pattern": "^5.0.6",
     "uuid": "^9.0.1",
     "vaul": "^0.8.0",
-    "zod": "^3.22.4"
+    "zod": "^3.22.4",
+    "prisma": "^5.7.0"
   },
   "devDependencies": {
     "@total-typescript/ts-reset": "^0.5.1",
@@ -70,7 +71,6 @@
     "postcss": "^8",
     "prettier": "^3.0.3",
     "prettier-plugin-organize-imports": "^3.2.3",
-    "prisma": "^5.7.0",
     "tailwindcss": "^3",
     "tsconfig-paths": "^4.2.0",
     "typescript": "^5.3.3"