From 06bb597f0a499b03f770f8703e51298afb10d998 Mon Sep 17 00:00:00 2001
From: Christopher Horrell <christopher@joyent.com>
Date: Thu, 6 Apr 2017 15:34:54 -0400
Subject: [PATCH] Try other key servers if ha.pool.sks-keyservers.net is
 unreachable

If ha.pool.sks-keyservers.net times out we try pgp.mit.edu then
keyserver.pgp.com.

This should hopefully resolve the occasional build errors we see in
Travis and for issues like #340
---
 4.8/Dockerfile             | 8 ++++++--
 4.8/alpine/Dockerfile      | 8 ++++++--
 4.8/slim/Dockerfile        | 8 ++++++--
 4.8/wheezy/Dockerfile      | 8 ++++++--
 6.10/Dockerfile            | 8 ++++++--
 6.10/alpine/Dockerfile     | 8 ++++++--
 6.10/slim/Dockerfile       | 8 ++++++--
 6.10/wheezy/Dockerfile     | 8 ++++++--
 7.8/Dockerfile             | 8 ++++++--
 7.8/alpine/Dockerfile      | 8 ++++++--
 7.8/slim/Dockerfile        | 8 ++++++--
 7.8/wheezy/Dockerfile      | 8 ++++++--
 Dockerfile-alpine.template | 8 ++++++--
 Dockerfile-slim.template   | 8 ++++++--
 Dockerfile-wheezy.template | 8 ++++++--
 Dockerfile.template        | 8 ++++++--
 16 files changed, 96 insertions(+), 32 deletions(-)

diff --git a/4.8/Dockerfile b/4.8/Dockerfile
index ee07d178..58cab26e 100644
--- a/4.8/Dockerfile
+++ b/4.8/Dockerfile
@@ -15,7 +15,9 @@ RUN set -ex \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done
 
 ENV NPM_CONFIG_LOGLEVEL info
@@ -35,7 +37,9 @@ RUN set -ex \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
diff --git a/4.8/alpine/Dockerfile b/4.8/alpine/Dockerfile
index 6ae9ca20..87986dba 100644
--- a/4.8/alpine/Dockerfile
+++ b/4.8/alpine/Dockerfile
@@ -28,7 +28,9 @@ RUN addgroup -g 1000 node \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
     && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION.tar.xz" \
     && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
@@ -50,7 +52,9 @@ RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
diff --git a/4.8/slim/Dockerfile b/4.8/slim/Dockerfile
index d33f5950..a9878204 100644
--- a/4.8/slim/Dockerfile
+++ b/4.8/slim/Dockerfile
@@ -15,7 +15,9 @@ RUN set -ex \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done
 
 ENV NPM_CONFIG_LOGLEVEL info
@@ -40,7 +42,9 @@ RUN set -ex \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
diff --git a/4.8/wheezy/Dockerfile b/4.8/wheezy/Dockerfile
index 40a5c69f..5f9c94b0 100644
--- a/4.8/wheezy/Dockerfile
+++ b/4.8/wheezy/Dockerfile
@@ -15,7 +15,9 @@ RUN set -ex \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done
 
 ENV NPM_CONFIG_LOGLEVEL info
@@ -35,7 +37,9 @@ RUN set -ex \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
diff --git a/6.10/Dockerfile b/6.10/Dockerfile
index 7636f3c3..f2f3d4a9 100644
--- a/6.10/Dockerfile
+++ b/6.10/Dockerfile
@@ -15,7 +15,9 @@ RUN set -ex \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done
 
 ENV NPM_CONFIG_LOGLEVEL info
@@ -35,7 +37,9 @@ RUN set -ex \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
diff --git a/6.10/alpine/Dockerfile b/6.10/alpine/Dockerfile
index 98d289d9..afd8f789 100644
--- a/6.10/alpine/Dockerfile
+++ b/6.10/alpine/Dockerfile
@@ -28,7 +28,9 @@ RUN addgroup -g 1000 node \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
     && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION.tar.xz" \
     && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
@@ -50,7 +52,9 @@ RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
diff --git a/6.10/slim/Dockerfile b/6.10/slim/Dockerfile
index 8a656b88..e37da99f 100644
--- a/6.10/slim/Dockerfile
+++ b/6.10/slim/Dockerfile
@@ -15,7 +15,9 @@ RUN set -ex \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done
 
 ENV NPM_CONFIG_LOGLEVEL info
@@ -40,7 +42,9 @@ RUN set -ex \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
diff --git a/6.10/wheezy/Dockerfile b/6.10/wheezy/Dockerfile
index 3508061d..269e768c 100644
--- a/6.10/wheezy/Dockerfile
+++ b/6.10/wheezy/Dockerfile
@@ -15,7 +15,9 @@ RUN set -ex \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done
 
 ENV NPM_CONFIG_LOGLEVEL info
@@ -35,7 +37,9 @@ RUN set -ex \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
diff --git a/7.8/Dockerfile b/7.8/Dockerfile
index efaf6f2b..c7de142b 100644
--- a/7.8/Dockerfile
+++ b/7.8/Dockerfile
@@ -15,7 +15,9 @@ RUN set -ex \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done
 
 ENV NPM_CONFIG_LOGLEVEL info
@@ -35,7 +37,9 @@ RUN set -ex \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
diff --git a/7.8/alpine/Dockerfile b/7.8/alpine/Dockerfile
index b2c9f38d..0896b1c2 100644
--- a/7.8/alpine/Dockerfile
+++ b/7.8/alpine/Dockerfile
@@ -28,7 +28,9 @@ RUN addgroup -g 1000 node \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
     && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION.tar.xz" \
     && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
@@ -50,7 +52,9 @@ RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
diff --git a/7.8/slim/Dockerfile b/7.8/slim/Dockerfile
index 82d3f0d9..3cad9843 100644
--- a/7.8/slim/Dockerfile
+++ b/7.8/slim/Dockerfile
@@ -15,7 +15,9 @@ RUN set -ex \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done
 
 ENV NPM_CONFIG_LOGLEVEL info
@@ -40,7 +42,9 @@ RUN set -ex \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
diff --git a/7.8/wheezy/Dockerfile b/7.8/wheezy/Dockerfile
index 6825984b..6386c057 100644
--- a/7.8/wheezy/Dockerfile
+++ b/7.8/wheezy/Dockerfile
@@ -15,7 +15,9 @@ RUN set -ex \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done
 
 ENV NPM_CONFIG_LOGLEVEL info
@@ -35,7 +37,9 @@ RUN set -ex \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 88510246..460e89b0 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -28,7 +28,9 @@ RUN addgroup -g 1000 node \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
     && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION.tar.xz" \
     && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
@@ -50,7 +52,9 @@ RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
diff --git a/Dockerfile-slim.template b/Dockerfile-slim.template
index 5cad4a6f..701956e5 100644
--- a/Dockerfile-slim.template
+++ b/Dockerfile-slim.template
@@ -15,7 +15,9 @@ RUN set -ex \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done
 
 ENV NPM_CONFIG_LOGLEVEL info
@@ -40,7 +42,9 @@ RUN set -ex \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
diff --git a/Dockerfile-wheezy.template b/Dockerfile-wheezy.template
index 2bd27b07..f49eb9f6 100644
--- a/Dockerfile-wheezy.template
+++ b/Dockerfile-wheezy.template
@@ -15,7 +15,9 @@ RUN set -ex \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done
 
 ENV NPM_CONFIG_LOGLEVEL info
@@ -35,7 +37,9 @@ RUN set -ex \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
diff --git a/Dockerfile.template b/Dockerfile.template
index 26c6a2f4..5901635d 100644
--- a/Dockerfile.template
+++ b/Dockerfile.template
@@ -15,7 +15,9 @@ RUN set -ex \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
     56730D5401028683275BD23C23EFEFE93C4CFFFE \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done
 
 ENV NPM_CONFIG_LOGLEVEL info
@@ -35,7 +37,9 @@ RUN set -ex \
   && for key in \
     6A010C5166006599AA17F08146C2130DFD2497F5 \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
   done \
   && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
   && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \