Fix Dockerfile

Dockerfile

@@ -10,4 +10,5 @@ RUN go build -o gpaste-server ./cmd/server/server.go
 FROM alpine:latest
 COPY --from=builder /src/gpaste /bin/gpaste
 COPY --from=builder /src/gpaste-server /bin/gpaste-server
+EXPOSE 8080
 CMD ["/bin/gpaste-server"]

cmd/server/actions/actions.go

@@ -2,6 +2,7 @@ package actions
 
 import (
 	"context"
+	"io"
 	"net/http"
 	"os"
 	"os/signal"
@@ -21,14 +22,27 @@ func ActionServe(c *cli.Context) error {
 		configPath = c.String("config")
 	}
 
-	f, err := os.Open(configPath)
+	var cfg *gpaste.ServerConfig
+	var r io.ReadCloser
+	r, err := os.Open(configPath)
+	if err != nil {
+		cfg = &gpaste.ServerConfig{
+			LogLevel:      "INFO",
+			URL:           "localhost:8080",
+			ListenAddr:    ":8080",
+			SigningSecret: "TODO: CHANGE THIS LOL",
+			Store: &gpaste.ServerStoreConfig{
+				Type: "memory",
+			},
+		}
+	} else {
+		defer r.Close()
+		cfg, err = gpaste.ServerConfigFromReader(r)
+		if err != nil {
 			if err != nil {
 				return cli.Exit(err, 1)
 			}
-	defer f.Close()
+		}
-	cfg, err := gpaste.ServerConfigFromReader(f)
-	if err != nil {
-		return cli.Exit(err, 1)
 	}
 	// Setup loggers
 	rootLogger := getRootLogger(cfg.LogLevel)