[5.1] Update the Dockerfile to use swift-5.1-RELEASE packages

Author: shahmishal

5.1/ubuntu/16.04/Dockerfile

@@ -21,13 +21,13 @@ RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true && ap
 
 # Everything up to here should cache nicely between Swift versions, assuming dev dependencies change little
 
-# pub   rsa4096 2017-11-07 [SC] [expires: 2019-11-07]
-#       8513 444E 2DA3 6B7C 1659  AF4D 7638 F1FB 2B2B 08C4
-# uid           [ unknown] Swift Automatic Signing Key #2 <swift-infrastructure@swift.org>
-ARG SWIFT_SIGNING_KEY=8513444E2DA36B7C1659AF4D7638F1FB2B2B08C4
+# pub   4096R/ED3D1561 2019-03-22 [expires: 2021-03-21]
+#       Key fingerprint = A62A E125 BBBF BB96 A6E0  42EC 925C C1CC ED3D 1561
+# uid                  Swift 5.x Release Signing Key <swift-infrastructure@swift.org
+ARG SWIFT_SIGNING_KEY=A62AE125BBBFBB96A6E042EC925CC1CCED3D1561
 ARG SWIFT_PLATFORM=ubuntu16.04
-ARG SWIFT_BRANCH=swift-5.1-branch
-ARG SWIFT_VERSION=swift-5.1-DEVELOPMENT-SNAPSHOT-2019-08-24-a
+ARG SWIFT_BRANCH=swift-5.1-release
+ARG SWIFT_VERSION=swift-5.1-RELEASE
 ARG SWIFT_WEBROOT=https://swift.org/builds/
 
 ENV SWIFT_SIGNING_KEY=$SWIFT_SIGNING_KEY \

5.1/ubuntu/16.04/slim/Dockerfile

@@ -12,13 +12,13 @@ RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true && ap
 
 # Everything up to here should cache nicely between Swift versions, assuming dev dependencies change little
 
-# pub   rsa4096 2017-11-07 [SC] [expires: 2019-11-07]
-#       8513 444E 2DA3 6B7C 1659  AF4D 7638 F1FB 2B2B 08C4
-# uid           [ unknown] Swift Automatic Signing Key #2 <swift-infrastructure@swift.org>
-ARG SWIFT_SIGNING_KEY=8513444E2DA36B7C1659AF4D7638F1FB2B2B08C4
+# pub   4096R/ED3D1561 2019-03-22 [expires: 2021-03-21]
+#       Key fingerprint = A62A E125 BBBF BB96 A6E0  42EC 925C C1CC ED3D 1561
+# uid                  Swift 5.x Release Signing Key <swift-infrastructure@swift.org
+ARG SWIFT_SIGNING_KEY=A62AE125BBBFBB96A6E042EC925CC1CCED3D1561
 ARG SWIFT_PLATFORM=ubuntu16.04
-ARG SWIFT_BRANCH=swift-5.1-branch
-ARG SWIFT_VERSION=swift-5.1-DEVELOPMENT-SNAPSHOT-2019-08-24-a
+ARG SWIFT_BRANCH=swift-5.1-release
+ARG SWIFT_VERSION=swift-5.1-RELEASE
 ARG SWIFT_WEBROOT=https://swift.org/builds/
 
 ENV SWIFT_SIGNING_KEY=$SWIFT_SIGNING_KEY \

5.1/ubuntu/18.04/Dockerfile

@@ -21,13 +21,13 @@ RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true && ap
 
 # Everything up to here should cache nicely between Swift versions, assuming dev dependencies change little
 
-# pub   rsa4096 2017-11-07 [SC] [expires: 2019-11-07]
-#       8513 444E 2DA3 6B7C 1659  AF4D 7638 F1FB 2B2B 08C4
-# uid           [ unknown] Swift Automatic Signing Key #2 <swift-infrastructure@swift.org>
-ARG SWIFT_SIGNING_KEY=8513444E2DA36B7C1659AF4D7638F1FB2B2B08C4
+# pub   4096R/ED3D1561 2019-03-22 [expires: 2021-03-21]
+#       Key fingerprint = A62A E125 BBBF BB96 A6E0  42EC 925C C1CC ED3D 1561
+# uid                  Swift 5.x Release Signing Key <swift-infrastructure@swift.org
+ARG SWIFT_SIGNING_KEY=A62AE125BBBFBB96A6E042EC925CC1CCED3D1561
 ARG SWIFT_PLATFORM=ubuntu18.04
-ARG SWIFT_BRANCH=swift-5.1-branch
-ARG SWIFT_VERSION=swift-5.1-DEVELOPMENT-SNAPSHOT-2019-08-24-a
+ARG SWIFT_BRANCH=swift-5.1-release
+ARG SWIFT_VERSION=swift-5.1-RELEASE
 ARG SWIFT_WEBROOT=https://swift.org/builds/
 
 ENV SWIFT_SIGNING_KEY=$SWIFT_SIGNING_KEY \

5.1/ubuntu/18.04/slim/Dockerfile

@@ -12,13 +12,13 @@ RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true && ap
 
 # Everything up to here should cache nicely between Swift versions, assuming dev dependencies change little
 
-# pub   rsa4096 2017-11-07 [SC] [expires: 2019-11-07]
-#       8513 444E 2DA3 6B7C 1659  AF4D 7638 F1FB 2B2B 08C4
-# uid           [ unknown] Swift Automatic Signing Key #2 <swift-infrastructure@swift.org>
-ARG SWIFT_SIGNING_KEY=8513444E2DA36B7C1659AF4D7638F1FB2B2B08C4
+# pub   4096R/ED3D1561 2019-03-22 [expires: 2021-03-21]
+#       Key fingerprint = A62A E125 BBBF BB96 A6E0  42EC 925C C1CC ED3D 1561
+# uid                  Swift 5.x Release Signing Key <swift-infrastructure@swift.org
+ARG SWIFT_SIGNING_KEY=A62AE125BBBFBB96A6E042EC925CC1CCED3D1561
 ARG SWIFT_PLATFORM=ubuntu18.04
-ARG SWIFT_BRANCH=swift-5.1-branch
-ARG SWIFT_VERSION=swift-5.1-DEVELOPMENT-SNAPSHOT-2019-08-24-a
+ARG SWIFT_BRANCH=swift-5.1-release
+ARG SWIFT_VERSION=swift-5.1-RELEASE
 ARG SWIFT_WEBROOT=https://swift.org/builds/
 
 ENV SWIFT_SIGNING_KEY=$SWIFT_SIGNING_KEY \