diff --git a/.dockerignore b/.dockerignore
index e589eea63c..c085529283 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,4 +1,3 @@
-.git
 bin
 skywire
 ci_scripts
diff --git a/docker/images/visor/Dockerfile b/docker/images/visor/Dockerfile
index bf96f41c16..17c95287f2 100644
--- a/docker/images/visor/Dockerfile
+++ b/docker/images/visor/Dockerfile
@@ -6,14 +6,13 @@ ARG BUILDINFO_LDFLAGS
 ARG CGO_ENABLED=0
 ENV CGO_ENABLED=${CGO_ENABLED} \
     GOOS=linux  \
-    GOARCH=amd64 \
     GO111MODULE=on
 
 COPY . /skywire
 
 WORKDIR /skywire
 
-RUN apk add --no-cache make && \
+RUN apk add --no-cache make git && \
     sh -c /skywire/docker/images/visor/install-preq.sh && \
     make host-apps && \
     make build-deploy && \
diff --git a/docker/images/visor/install-preq.sh b/docker/images/visor/install-preq.sh
index 8867903719..8c8293c825 100755
--- a/docker/images/visor/install-preq.sh
+++ b/docker/images/visor/install-preq.sh
@@ -1,13 +1,13 @@
 #!/bin/sh
 
-if type apt > /dev/null; then
-        apt-get update && apt-get install -y --no-install-recommends \
-                ca-certificates \
-        && rm -rf /var/lib/apt/lists/* 
+if type apt >/dev/null; then
+  apt-get update && apt-get install -y --no-install-recommends \
+    ca-certificates &&
+    rm -rf /var/lib/apt/lists/*
 fi
 
-if type apk > /dev/null; then
-        apk update
-        apk add --no-cache ca-certificates openssl iproute2 bash
-        update-ca-certificates --fresh
+if type apk >/dev/null; then
+  apk update
+  apk add --no-cache ca-certificates openssl iproute2 bash
+  update-ca-certificates --fresh
 fi
diff --git a/pkg/transport/network/addrresolver/client.go b/pkg/transport/network/addrresolver/client.go
index f40ce9dbc1..286e114c20 100644
--- a/pkg/transport/network/addrresolver/client.go
+++ b/pkg/transport/network/addrresolver/client.go
@@ -407,10 +407,9 @@ func (c *httpClient) Close() error {
 		if err := c.sudphConn.Close(); err != nil {
 			c.log.WithError(err).Errorf("Failed to close SUDPH")
 		}
+		close(c.closed)
 	}
 
-	close(c.closed)
-
 	return nil
 }
 
diff --git a/pkg/visor/visorconfig/parse.go b/pkg/visor/visorconfig/parse.go
index ba449fefad..2a51c74e5a 100644
--- a/pkg/visor/visorconfig/parse.go
+++ b/pkg/visor/visorconfig/parse.go
@@ -58,6 +58,7 @@ func parseV1(cc *Common, raw []byte) (*V1, error) {
 	if err := conf.ensureKeys(); err != nil {
 		return nil, fmt.Errorf("%v: %w", ErrInvalidSK, err)
 	}
+	conf = ensureAppDisc(conf)
 	conf = updateUrls(conf)
 	conf.Version = V1Name
 	return conf, conf.flush(conf)
@@ -158,6 +159,16 @@ func parseV0(cc *Common, raw []byte) (*V1, error) {
 
 	return conf, conf.flush(conf)
 }
+
+func ensureAppDisc(conf *V1) *V1 {
+	if conf.Launcher.Discovery == nil {
+		conf.Launcher.Discovery = &V1AppDisc{
+			ServiceDisc: skyenv.DefaultServiceDiscAddr,
+		}
+	}
+	return conf
+}
+
 func updateUrls(conf *V1) *V1 {
 	if conf.Dmsg.Discovery == skyenv.OldDefaultDmsgDiscAddr {
 		conf.Dmsg.Discovery = skyenv.DefaultDmsgDiscAddr