ci: Refactor multiplatform container image build

Required because currently build-dist.py fails if no version is set.

Author: trallnag

Dockerfile

@@ -5,7 +5,7 @@ ARG TARGETARCH
 
 WORKDIR /app
 
-COPY dist/token2go-server-${TARGETOS}-${TARGETARCH} /app/token2go-server
+COPY dist/*-${TARGETOS}-${TARGETARCH}/token2go-server* /app/token2go-server
 
 EXPOSE 8080
 

scripts/build-dist.py

@@ -97,9 +97,6 @@ def sha256sum(file):
 
     subprocess.run(["go", "build", "-o", bin_path, "-ldflags", ldflags], env=os.environ)
 
-    # Copy bin to make Docker easier.
-    shutil.copy(bin_path, join(dist_dir, f"{name}-{pf.os}-{pf.arch}"))
-
     # Include other files.
     if isfile("LICENSE"):
         shutil.copy("LICENSE", odir_path)
@@ -122,9 +119,6 @@ def sha256sum(file):
                 for f in files:
                     archive.add(join(root, f), arcname=basename(f))
 
-    # Delete output directory. Not required from here.
-    shutil.rmtree(odir_path)
-
     # Add sha256sum type of checksum string to txt file.
     with open(join(dist_dir, "sha256sums.txt"), "a") as f:
         f.write(sha256sum(join(dist_dir, odir_name + arc_ext)) + "\n")