chore: upgrade Go to 1.26

.golangci.yml

@@ -0,0 +1,12 @@
+version: "2"
+
+linters:
+  default: standard
+  exclusions:
+    presets:
+      - std-error-handling
+  settings:
+    staticcheck:
+      checks:
+        - "all"
+        - "-ST*"

dev.Dockerfile

@@ -3,7 +3,7 @@
 # Development Dockerfile for payments service
 # Based on ebics-bridge structure but optimized for development workflow
 
-FROM golang:1.24.7-alpine as development
+FROM golang:1.26.1-alpine as development
 
 # Install minimal dependencies including build tools
 RUN apk add --no-cache \
@@ -16,8 +16,8 @@ RUN apk add --no-cache \
     make
 
 # Install delve (debugger) and air (hot reload)
-RUN CGO_ENABLED=0 go install github.com/go-delve/delve/cmd/dlv@v1.25.2
-RUN CGO_ENABLED=0 go install github.com/air-verse/air@v1.61.7
+RUN CGO_ENABLED=0 go install github.com/go-delve/delve/cmd/dlv@v1.26.1
+RUN CGO_ENABLED=0 go install github.com/air-verse/air@v1.64.5
 
 # Create a custom user with appropriate permissions
 RUN addgroup -g 1001 -S appgroup && \
@@ -61,4 +61,4 @@ EXPOSE 8080 9090 2345
 # Switch to the custom user
 USER appuser
 
-# No command, it needs to be set by docker-compose (different use cases)
+# No command, it needs to be set by docker-compose (different use cases)

flake.nix

@@ -1,19 +1,18 @@
 {
-  description = "A Nix-flake-based Go 1.24 development environment";
+  description = "A Nix-flake-based Go 1.26 development environment";
 
   inputs = {
-    nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1.*.tar.gz";
+    nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.2511";
+    nixpkgs-unstable.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1";
 
     nur = {
       url = "github:nix-community/NUR";
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };
 
-  outputs = { self, nixpkgs, nur }:
+  outputs = { self, nixpkgs, nixpkgs-unstable, nur }:
     let
-      goVersion = 24;
-
       supportedSystems = [
         "x86_64-linux"
         "aarch64-linux"
@@ -26,11 +25,16 @@
           let
             pkgs = import nixpkgs {
               inherit system;
-              overlays = [ self.overlays.default nur.overlays.default ];
-              config.allowUnfree = true;
+              overlays = [ nur.overlays.default ];
+              config.allowUnfreePredicate = pkg: builtins.elem (nixpkgs.lib.getName pkg) [
+                "goreleaser-pro"
+              ];
+            };
+            pkgs-unstable = import nixpkgs-unstable {
+              inherit system;
             };
           in
-          f { pkgs = pkgs; system = system; }
+          f { pkgs = pkgs; pkgs-unstable = pkgs-unstable; system = system; }
         );
 
       speakeasyVersion = "1.525.0";
@@ -49,11 +53,7 @@
 
     in
     {
-      overlays.default = final: prev: {
-        go = final."go_1_${toString goVersion}";
-      };
-
-      packages = forEachSupportedSystem ({ pkgs, system }:
+      packages = forEachSupportedSystem ({ pkgs, pkgs-unstable, system }:
         {
           speakeasy = pkgs.stdenv.mkDerivation {
             pname = "speakeasy";
@@ -84,22 +84,29 @@
       defaultPackage.x86_64-darwin  = self.packages.x86_64-darwin.speakeasy;
       defaultPackage.aarch64-darwin = self.packages.aarch64-darwin.speakeasy;
 
-      devShells = forEachSupportedSystem ({ pkgs, system }:
+      devShells = forEachSupportedSystem ({ pkgs, pkgs-unstable, system }:
+        let
+          stablePackages = with pkgs; [
+            ginkgo
+            go_1_26
+            gotools
+            jq
+            just
+            mockgen
+            nodejs_22
+            yq-go
+          ];
+          unstablePackages = with pkgs-unstable; [
+            golangci-lint
+          ];
+          otherPackages = [
+            pkgs.nur.repos.goreleaser.goreleaser-pro
+            self.packages.${system}.speakeasy
+          ];
+        in
         {
           default = pkgs.mkShell {
-            packages = with pkgs; [
-              go
-              gotools
-              golangci-lint
-              mockgen
-              ginkgo
-              yq-go
-              jq
-              pkgs.nur.repos.goreleaser.goreleaser-pro
-              self.packages.${system}.speakeasy
-              just
-              nodejs_22
-            ];
+            packages = stablePackages ++ unstablePackages ++ otherPackages;
           };
         }
       );