feat:#19 added old dev docker setup for local development

backend/Dockerfile

@@ -29,3 +29,26 @@ COPY --chown=$USER:$USER --from=build /htwkalender ./
 EXPOSE 8090
 
 ENTRYPOINT ["./htwkalender", "serve"]
+
+
+FROM golang:1.21.6 AS dev
+
+# Set the Current Working Directory inside the container
+WORKDIR /htwkalender
+
+# Copy go mod and sum files
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy the source from the current directory to the Working Directory inside the container
+COPY *.go ./
+COPY . .
+
+# Build the Go app
+RUN CGO_ENABLED=1 GOOS=linux go build -o /htwkalender
+
+# Expose port 8090 to the outside world
+EXPOSE 8090
+
+# Entry point
+ENTRYPOINT ["./htwkalender", "serve"]