diff --git a/.gitea/workflows/release-tag.yml b/.gitea/workflows/release-tag.yml
index 7fdc180..69e5254 100644
--- a/.gitea/workflows/release-tag.yml
+++ b/.gitea/workflows/release-tag.yml
@@ -27,4 +27,4 @@ jobs:
           registry: git.kocoder.xyz
           username: ${{ secrets.CI_RUNNER_USER }}
           password: ${{ secrets.CI_RUNNER_TOKEN }}
-          build_file: DOCKERFILE
+          build_file: Dockerfile
diff --git a/DOCKERFILE b/Dockerfile
similarity index 95%
rename from DOCKERFILE
rename to Dockerfile
index 86bb026..f5fd685 100644
--- a/DOCKERFILE
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM golang:1.21.0
+FROM golang:1.23.0
 
 # Set destination for COPY
 WORKDIR /app
@@ -11,7 +11,7 @@ RUN go mod download
 
 # Copy the source code. Note the slash at the end, as explained in
 # https://docs.docker.com/engine/reference/builder/#copy
-COPY *.go ./
+COPY ./ ./
 
 # Build
 RUN CGO_ENABLED=0 GOOS=linux go build -o /szuntis-backend