add flake

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1713248628,
+        "narHash": "sha256-NLznXB5AOnniUtZsyy/aPWOk8ussTuePp2acb9U+ISA=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "5672bc9dbf9d88246ddab5ac454e82318d094bb8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -1 +0,0 @@
-/home/salgadev/code/dev-flakes/templates/langchain-rag/flake.nix

flake.nix

@@ -0,0 +1,40 @@
+{
+  description = "A LLM backend development flake powered by unstructured and langchain";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+  };
+
+  outputs = {nixpkgs, ...}: let
+    system = "x86_64-linux";
+    #       ↑ Swap it for your system if needed
+    #       "aarch64-linux" / "x86_64-darwin" / "aarch64-darwin"
+    pkgs = nixpkgs.legacyPackages.${system};
+  in {
+    devShells.${system}.default = pkgs.mkShell {
+      packages = [
+        (pkgs.python311.withPackages (python-pkgs: [
+          python-pkgs.numpy
+          python-pkgs.pandas
+          python-pkgs.scipy
+          python-pkgs.matplotlib
+          python-pkgs.requests
+          python-pkgs.langchain-community
+          python-pkgs.langchain-text-splitters
+          python-pkgs.unstructured          
+          python-pkgs.openai
+          python-pkgs.pydantic
+          python-pkgs.python-dotenv
+          python-pkgs.configargparse
+          python-pkgs.streamlit
+          pkgs.unstructured-api
+        ]))
+      ];
+
+      shellHook = ''
+        venv="$(cd $(dirname $(which python)); cd ..; pwd)"
+        ln -Tsf "$venv" .venv
+      '';
+    };
+  };
+}