Try Go 1.22 + Alpine sh compatibility

Dockerfile

@@ -1,5 +1,5 @@
 # 1. Schritt: Build des Go-Proxys
-FROM golang:1.23-alpine AS builder
+FROM golang:1.22-alpine AS builder
 WORKDIR /app
 COPY . .
 RUN go mod download
@@ -9,22 +9,17 @@ RUN CGO_ENABLED=0 GOOS=linux go build -o /app/cliproxy ./cmd/server/
 FROM alpine:latest
 RUN apk add --no-cache ca-certificates bash
 
-# Arbeitsverzeichnis
 WORKDIR /app
 
-# Kopiere den Proxy, die Config und den statischen Web-Ordner
 COPY --from=builder /app/cliproxy /app/cliproxy
 COPY config.yaml /app/config.yaml
 COPY static /app/static
 
-# Start-Skript
-RUN echo "#!/bin/bash" > /start.sh && \
+RUN echo "#!/bin/sh" > /start.sh && \
     echo "Starting CLI Proxy API on Port 7860..." >> /start.sh && \
     echo "exec /app/cliproxy -config /app/config.yaml" >> /start.sh && \
     chmod +x /start.sh
 
-# Port 7860 ist Pflicht für Hugging Face
 EXPOSE 7860
 
-# Proxy starten
 ENTRYPOINT ["/start.sh"]