diff --git a/2.7/alpine3.6/Dockerfile b/2.7/alpine3.6/Dockerfile
index aac3aee11..27e4273f1 100644
--- a/2.7/alpine3.6/Dockerfile
+++ b/2.7/alpine3.6/Dockerfile
@@ -32,7 +32,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/2.7/alpine3.7/Dockerfile b/2.7/alpine3.7/Dockerfile
index e23c763d9..0393e06bd 100644
--- a/2.7/alpine3.7/Dockerfile
+++ b/2.7/alpine3.7/Dockerfile
@@ -31,7 +31,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/2.7/alpine3.8/Dockerfile b/2.7/alpine3.8/Dockerfile
index 6f9426032..a3fa6e6e5 100644
--- a/2.7/alpine3.8/Dockerfile
+++ b/2.7/alpine3.8/Dockerfile
@@ -31,7 +31,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/2.7/jessie/Dockerfile b/2.7/jessie/Dockerfile
index ff8a7fb97..ccade24d0 100644
--- a/2.7/jessie/Dockerfile
+++ b/2.7/jessie/Dockerfile
@@ -28,7 +28,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/2.7/jessie/slim/Dockerfile b/2.7/jessie/slim/Dockerfile
index 50cc97609..46dbc7ee7 100644
--- a/2.7/jessie/slim/Dockerfile
+++ b/2.7/jessie/slim/Dockerfile
@@ -49,7 +49,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/2.7/stretch/Dockerfile b/2.7/stretch/Dockerfile
index 39a189aa1..7ffb21d2a 100644
--- a/2.7/stretch/Dockerfile
+++ b/2.7/stretch/Dockerfile
@@ -28,7 +28,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/2.7/stretch/slim/Dockerfile b/2.7/stretch/slim/Dockerfile
index 69713e515..5edc5e159 100644
--- a/2.7/stretch/slim/Dockerfile
+++ b/2.7/stretch/slim/Dockerfile
@@ -49,7 +49,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/2.7/wheezy/Dockerfile b/2.7/wheezy/Dockerfile
index 1c0a2c9a9..9189538be 100644
--- a/2.7/wheezy/Dockerfile
+++ b/2.7/wheezy/Dockerfile
@@ -28,7 +28,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.4/alpine3.7/Dockerfile b/3.4/alpine3.7/Dockerfile
index 35b8ff612..0d20ba0ad 100644
--- a/3.4/alpine3.7/Dockerfile
+++ b/3.4/alpine3.7/Dockerfile
@@ -29,7 +29,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.4/alpine3.8/Dockerfile b/3.4/alpine3.8/Dockerfile
index f07d06a61..0233bf969 100644
--- a/3.4/alpine3.8/Dockerfile
+++ b/3.4/alpine3.8/Dockerfile
@@ -29,7 +29,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.4/jessie/Dockerfile b/3.4/jessie/Dockerfile
index 39e05d430..a5784289f 100644
--- a/3.4/jessie/Dockerfile
+++ b/3.4/jessie/Dockerfile
@@ -26,7 +26,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.4/jessie/slim/Dockerfile b/3.4/jessie/slim/Dockerfile
index dbdb1f4a2..0554592e0 100644
--- a/3.4/jessie/slim/Dockerfile
+++ b/3.4/jessie/slim/Dockerfile
@@ -49,7 +49,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.4/stretch/Dockerfile b/3.4/stretch/Dockerfile
index 061fc0818..31f2fea4a 100644
--- a/3.4/stretch/Dockerfile
+++ b/3.4/stretch/Dockerfile
@@ -28,7 +28,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.4/stretch/slim/Dockerfile b/3.4/stretch/slim/Dockerfile
index 66e3df523..353034e62 100644
--- a/3.4/stretch/slim/Dockerfile
+++ b/3.4/stretch/slim/Dockerfile
@@ -49,7 +49,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.4/wheezy/Dockerfile b/3.4/wheezy/Dockerfile
index 68b996cc9..ca184534e 100644
--- a/3.4/wheezy/Dockerfile
+++ b/3.4/wheezy/Dockerfile
@@ -26,7 +26,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.5/alpine3.7/Dockerfile b/3.5/alpine3.7/Dockerfile
index 254260e01..3c25f6b17 100644
--- a/3.5/alpine3.7/Dockerfile
+++ b/3.5/alpine3.7/Dockerfile
@@ -29,7 +29,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.5/alpine3.8/Dockerfile b/3.5/alpine3.8/Dockerfile
index 11c22600c..1eb7686f1 100644
--- a/3.5/alpine3.8/Dockerfile
+++ b/3.5/alpine3.8/Dockerfile
@@ -29,7 +29,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.5/jessie/Dockerfile b/3.5/jessie/Dockerfile
index 4edd2181e..4997e28b5 100644
--- a/3.5/jessie/Dockerfile
+++ b/3.5/jessie/Dockerfile
@@ -26,7 +26,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.5/jessie/slim/Dockerfile b/3.5/jessie/slim/Dockerfile
index 7db6b222a..cc5849b45 100644
--- a/3.5/jessie/slim/Dockerfile
+++ b/3.5/jessie/slim/Dockerfile
@@ -49,7 +49,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.5/stretch/Dockerfile b/3.5/stretch/Dockerfile
index 7bdfe0e5c..31b1d525b 100644
--- a/3.5/stretch/Dockerfile
+++ b/3.5/stretch/Dockerfile
@@ -26,7 +26,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.5/stretch/slim/Dockerfile b/3.5/stretch/slim/Dockerfile
index 149a45324..3259bde56 100644
--- a/3.5/stretch/slim/Dockerfile
+++ b/3.5/stretch/slim/Dockerfile
@@ -49,7 +49,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.6/alpine3.6/Dockerfile b/3.6/alpine3.6/Dockerfile
index 02fc04429..eeff2082c 100644
--- a/3.6/alpine3.6/Dockerfile
+++ b/3.6/alpine3.6/Dockerfile
@@ -30,7 +30,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.6/alpine3.7/Dockerfile b/3.6/alpine3.7/Dockerfile
index da242cab9..f3d509fc6 100644
--- a/3.6/alpine3.7/Dockerfile
+++ b/3.6/alpine3.7/Dockerfile
@@ -29,7 +29,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.6/alpine3.8/Dockerfile b/3.6/alpine3.8/Dockerfile
index d6e67add1..c3589ccce 100644
--- a/3.6/alpine3.8/Dockerfile
+++ b/3.6/alpine3.8/Dockerfile
@@ -29,7 +29,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.6/jessie/Dockerfile b/3.6/jessie/Dockerfile
index f6d878241..cd9e1ecd1 100644
--- a/3.6/jessie/Dockerfile
+++ b/3.6/jessie/Dockerfile
@@ -26,7 +26,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.6/jessie/slim/Dockerfile b/3.6/jessie/slim/Dockerfile
index 291dabddb..3338d8886 100644
--- a/3.6/jessie/slim/Dockerfile
+++ b/3.6/jessie/slim/Dockerfile
@@ -49,7 +49,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.6/stretch/Dockerfile b/3.6/stretch/Dockerfile
index 42d342d15..03704523a 100644
--- a/3.6/stretch/Dockerfile
+++ b/3.6/stretch/Dockerfile
@@ -26,7 +26,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.6/stretch/slim/Dockerfile b/3.6/stretch/slim/Dockerfile
index 4ab869bf4..836ccb70a 100644
--- a/3.6/stretch/slim/Dockerfile
+++ b/3.6/stretch/slim/Dockerfile
@@ -49,7 +49,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.7/alpine3.7/Dockerfile b/3.7/alpine3.7/Dockerfile
index 900755c8f..3ac286c19 100644
--- a/3.7/alpine3.7/Dockerfile
+++ b/3.7/alpine3.7/Dockerfile
@@ -29,7 +29,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.7/alpine3.8/Dockerfile b/3.7/alpine3.8/Dockerfile
index 2b15390c2..0d3bf2837 100644
--- a/3.7/alpine3.8/Dockerfile
+++ b/3.7/alpine3.8/Dockerfile
@@ -29,7 +29,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.7/stretch/Dockerfile b/3.7/stretch/Dockerfile
index 68a27000b..e8ace9eb8 100644
--- a/3.7/stretch/Dockerfile
+++ b/3.7/stretch/Dockerfile
@@ -27,7 +27,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/3.7/stretch/slim/Dockerfile b/3.7/stretch/slim/Dockerfile
index 6992650ff..074cd6b84 100644
--- a/3.7/stretch/slim/Dockerfile
+++ b/3.7/stretch/slim/Dockerfile
@@ -50,7 +50,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 772e9ac39..9f2a84eb6 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -24,7 +24,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/Dockerfile-caveman-alpine.template b/Dockerfile-caveman-alpine.template
index cd75f949c..b4239a104 100644
--- a/Dockerfile-caveman-alpine.template
+++ b/Dockerfile-caveman-alpine.template
@@ -26,7 +26,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/Dockerfile-caveman-debian.template b/Dockerfile-caveman-debian.template
index 0ee47983b..a38778791 100644
--- a/Dockerfile-caveman-debian.template
+++ b/Dockerfile-caveman-debian.template
@@ -22,7 +22,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/Dockerfile-caveman-slim.template b/Dockerfile-caveman-slim.template
index 6326292c2..8a96f06d7 100644
--- a/Dockerfile-caveman-slim.template
+++ b/Dockerfile-caveman-slim.template
@@ -43,7 +43,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/Dockerfile-debian.template b/Dockerfile-debian.template
index 59ebcb955..8a6db92d3 100644
--- a/Dockerfile-debian.template
+++ b/Dockerfile-debian.template
@@ -23,7 +23,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
diff --git a/Dockerfile-slim.template b/Dockerfile-slim.template
index a1fe875be..a62087e4b 100644
--- a/Dockerfile-slim.template
+++ b/Dockerfile-slim.template
@@ -44,7 +44,7 @@ RUN set -ex \
 	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
 	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
 	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \