diff --git a/10/alpine3.10/Dockerfile b/10/alpine3.10/Dockerfile
index f50de031..da66fe6b 100644
--- a/10/alpine3.10/Dockerfile
+++ b/10/alpine3.10/Dockerfile
@@ -67,7 +67,10 @@ RUN addgroup -g 1000 node \
     && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt; \
   fi \
   && rm -f "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" \
-  && apk del .build-deps
+  && apk del .build-deps \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -87,7 +90,9 @@ RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
-  && apk del .build-deps-yarn
+  && apk del .build-deps-yarn \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/10/alpine3.11/Dockerfile b/10/alpine3.11/Dockerfile
index d49ef352..859161e9 100644
--- a/10/alpine3.11/Dockerfile
+++ b/10/alpine3.11/Dockerfile
@@ -67,7 +67,10 @@ RUN addgroup -g 1000 node \
     && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt; \
   fi \
   && rm -f "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" \
-  && apk del .build-deps
+  && apk del .build-deps \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -87,7 +90,9 @@ RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
-  && apk del .build-deps-yarn
+  && apk del .build-deps-yarn \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/10/alpine3.9/Dockerfile b/10/alpine3.9/Dockerfile
index fb441bec..d976e9df 100644
--- a/10/alpine3.9/Dockerfile
+++ b/10/alpine3.9/Dockerfile
@@ -67,7 +67,10 @@ RUN addgroup -g 1000 node \
     && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt; \
   fi \
   && rm -f "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" \
-  && apk del .build-deps
+  && apk del .build-deps \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -87,7 +90,9 @@ RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
-  && apk del .build-deps-yarn
+  && apk del .build-deps-yarn \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/10/buster-slim/Dockerfile b/10/buster-slim/Dockerfile
index 8c710c0d..139e63e6 100644
--- a/10/buster-slim/Dockerfile
+++ b/10/buster-slim/Dockerfile
@@ -43,7 +43,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
     && apt-mark auto '.*' > /dev/null \
     && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
-    && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+    && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+    # smoke tests
+    && node --version \
+    && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -66,7 +69,9 @@ RUN set -ex \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
   && apt-mark auto '.*' > /dev/null \
-  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false
+  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/10/buster/Dockerfile b/10/buster/Dockerfile
index 97e99099..26521ae1 100644
--- a/10/buster/Dockerfile
+++ b/10/buster/Dockerfile
@@ -40,7 +40,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && grep " node-v$NODE_VERSION-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
   && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
   && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
-  && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+  && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -59,7 +62,9 @@ RUN set -ex \
   && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
-  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz
+  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/10/jessie-slim/Dockerfile b/10/jessie-slim/Dockerfile
index 048910c1..332de9e7 100644
--- a/10/jessie-slim/Dockerfile
+++ b/10/jessie-slim/Dockerfile
@@ -43,7 +43,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
     && apt-mark auto '.*' > /dev/null \
     && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
-    && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+    && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+    # smoke tests
+    && node --version \
+    && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -66,7 +69,9 @@ RUN set -ex \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
   && apt-mark auto '.*' > /dev/null \
-  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false
+  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/10/jessie/Dockerfile b/10/jessie/Dockerfile
index 09958e69..a01987f3 100644
--- a/10/jessie/Dockerfile
+++ b/10/jessie/Dockerfile
@@ -40,7 +40,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && grep " node-v$NODE_VERSION-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
   && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
   && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
-  && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+  && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -59,7 +62,9 @@ RUN set -ex \
   && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
-  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz
+  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/10/stretch-slim/Dockerfile b/10/stretch-slim/Dockerfile
index 7dbfe1da..6374cc4a 100644
--- a/10/stretch-slim/Dockerfile
+++ b/10/stretch-slim/Dockerfile
@@ -43,7 +43,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
     && apt-mark auto '.*' > /dev/null \
     && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
-    && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+    && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+    # smoke tests
+    && node --version \
+    && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -66,7 +69,9 @@ RUN set -ex \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
   && apt-mark auto '.*' > /dev/null \
-  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false
+  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/10/stretch/Dockerfile b/10/stretch/Dockerfile
index e3a0357a..0daaf98a 100644
--- a/10/stretch/Dockerfile
+++ b/10/stretch/Dockerfile
@@ -40,7 +40,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && grep " node-v$NODE_VERSION-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
   && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
   && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
-  && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+  && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -59,7 +62,9 @@ RUN set -ex \
   && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
-  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz
+  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/12/alpine3.10/Dockerfile b/12/alpine3.10/Dockerfile
index b77c1d97..6d290b90 100644
--- a/12/alpine3.10/Dockerfile
+++ b/12/alpine3.10/Dockerfile
@@ -67,7 +67,10 @@ RUN addgroup -g 1000 node \
     && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt; \
   fi \
   && rm -f "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" \
-  && apk del .build-deps
+  && apk del .build-deps \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.22.0
 
@@ -87,7 +90,9 @@ RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
-  && apk del .build-deps-yarn
+  && apk del .build-deps-yarn \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/12/alpine3.11/Dockerfile b/12/alpine3.11/Dockerfile
index e79b706f..f160a330 100644
--- a/12/alpine3.11/Dockerfile
+++ b/12/alpine3.11/Dockerfile
@@ -67,7 +67,10 @@ RUN addgroup -g 1000 node \
     && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt; \
   fi \
   && rm -f "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" \
-  && apk del .build-deps
+  && apk del .build-deps \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.22.0
 
@@ -87,7 +90,9 @@ RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
-  && apk del .build-deps-yarn
+  && apk del .build-deps-yarn \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/12/alpine3.9/Dockerfile b/12/alpine3.9/Dockerfile
index 31c97376..a9db5f89 100644
--- a/12/alpine3.9/Dockerfile
+++ b/12/alpine3.9/Dockerfile
@@ -67,7 +67,10 @@ RUN addgroup -g 1000 node \
     && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt; \
   fi \
   && rm -f "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" \
-  && apk del .build-deps
+  && apk del .build-deps \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.22.0
 
@@ -87,7 +90,9 @@ RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
-  && apk del .build-deps-yarn
+  && apk del .build-deps-yarn \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/12/buster-slim/Dockerfile b/12/buster-slim/Dockerfile
index fd46ed62..a2ea3c7d 100644
--- a/12/buster-slim/Dockerfile
+++ b/12/buster-slim/Dockerfile
@@ -43,7 +43,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
     && apt-mark auto '.*' > /dev/null \
     && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
-    && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+    && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+    # smoke tests
+    && node --version \
+    && npm --version
 
 ENV YARN_VERSION 1.22.0
 
@@ -66,7 +69,9 @@ RUN set -ex \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
   && apt-mark auto '.*' > /dev/null \
-  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false
+  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/12/buster/Dockerfile b/12/buster/Dockerfile
index 8e06c451..e8dfce57 100644
--- a/12/buster/Dockerfile
+++ b/12/buster/Dockerfile
@@ -40,7 +40,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && grep " node-v$NODE_VERSION-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
   && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
   && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
-  && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+  && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.22.0
 
@@ -59,7 +62,9 @@ RUN set -ex \
   && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
-  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz
+  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/12/stretch-slim/Dockerfile b/12/stretch-slim/Dockerfile
index 75e866f4..fa661b7c 100644
--- a/12/stretch-slim/Dockerfile
+++ b/12/stretch-slim/Dockerfile
@@ -43,7 +43,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
     && apt-mark auto '.*' > /dev/null \
     && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
-    && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+    && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+    # smoke tests
+    && node --version \
+    && npm --version
 
 ENV YARN_VERSION 1.22.0
 
@@ -66,7 +69,9 @@ RUN set -ex \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
   && apt-mark auto '.*' > /dev/null \
-  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false
+  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/12/stretch/Dockerfile b/12/stretch/Dockerfile
index 08ea4382..b0c1e704 100644
--- a/12/stretch/Dockerfile
+++ b/12/stretch/Dockerfile
@@ -40,7 +40,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && grep " node-v$NODE_VERSION-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
   && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
   && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
-  && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+  && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.22.0
 
@@ -59,7 +62,9 @@ RUN set -ex \
   && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
-  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz
+  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/13/alpine3.10/Dockerfile b/13/alpine3.10/Dockerfile
index 1f84f99f..0d00ec62 100644
--- a/13/alpine3.10/Dockerfile
+++ b/13/alpine3.10/Dockerfile
@@ -67,7 +67,10 @@ RUN addgroup -g 1000 node \
     && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt; \
   fi \
   && rm -f "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" \
-  && apk del .build-deps
+  && apk del .build-deps \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -87,7 +90,9 @@ RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
-  && apk del .build-deps-yarn
+  && apk del .build-deps-yarn \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/13/alpine3.11/Dockerfile b/13/alpine3.11/Dockerfile
index 1c526933..661a7281 100644
--- a/13/alpine3.11/Dockerfile
+++ b/13/alpine3.11/Dockerfile
@@ -67,7 +67,10 @@ RUN addgroup -g 1000 node \
     && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt; \
   fi \
   && rm -f "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" \
-  && apk del .build-deps
+  && apk del .build-deps \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -87,7 +90,9 @@ RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
-  && apk del .build-deps-yarn
+  && apk del .build-deps-yarn \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/13/buster-slim/Dockerfile b/13/buster-slim/Dockerfile
index 07c46578..1b7f5bb9 100644
--- a/13/buster-slim/Dockerfile
+++ b/13/buster-slim/Dockerfile
@@ -43,7 +43,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
     && apt-mark auto '.*' > /dev/null \
     && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
-    && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+    && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+    # smoke tests
+    && node --version \
+    && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -66,7 +69,9 @@ RUN set -ex \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
   && apt-mark auto '.*' > /dev/null \
-  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false
+  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/13/buster/Dockerfile b/13/buster/Dockerfile
index 01a46b8f..55efaf3e 100644
--- a/13/buster/Dockerfile
+++ b/13/buster/Dockerfile
@@ -40,7 +40,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && grep " node-v$NODE_VERSION-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
   && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
   && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
-  && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+  && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -59,7 +62,9 @@ RUN set -ex \
   && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
-  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz
+  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/13/stretch-slim/Dockerfile b/13/stretch-slim/Dockerfile
index 9433d270..bfcbe1a6 100644
--- a/13/stretch-slim/Dockerfile
+++ b/13/stretch-slim/Dockerfile
@@ -43,7 +43,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
     && apt-mark auto '.*' > /dev/null \
     && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
-    && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+    && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+    # smoke tests
+    && node --version \
+    && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -66,7 +69,9 @@ RUN set -ex \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
   && apt-mark auto '.*' > /dev/null \
-  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false
+  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/13/stretch/Dockerfile b/13/stretch/Dockerfile
index 41e87d44..1c9f363a 100644
--- a/13/stretch/Dockerfile
+++ b/13/stretch/Dockerfile
@@ -40,7 +40,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && grep " node-v$NODE_VERSION-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
   && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
   && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
-  && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+  && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -59,7 +62,9 @@ RUN set -ex \
   && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
-  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz
+  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 0544c43d..34700211 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -57,7 +57,10 @@ RUN addgroup -g 1000 node \
     && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt; \
   fi \
   && rm -f "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" \
-  && apk del .build-deps
+  && apk del .build-deps \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 0.0.0
 
@@ -77,7 +80,9 @@ RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
-  && apk del .build-deps-yarn
+  && apk del .build-deps-yarn \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/Dockerfile-debian.template b/Dockerfile-debian.template
index 13ec6404..1c3dcf4a 100644
--- a/Dockerfile-debian.template
+++ b/Dockerfile-debian.template
@@ -30,7 +30,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && grep " node-v$NODE_VERSION-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
   && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
   && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
-  && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+  && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 0.0.0
 
@@ -49,7 +52,9 @@ RUN set -ex \
   && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
-  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz
+  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/Dockerfile-slim.template b/Dockerfile-slim.template
index ce47fa50..bfddc052 100644
--- a/Dockerfile-slim.template
+++ b/Dockerfile-slim.template
@@ -33,7 +33,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
     && apt-mark auto '.*' > /dev/null \
     && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
-    && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+    && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+    # smoke tests
+    && node --version \
+    && npm --version
 
 ENV YARN_VERSION 0.0.0
 
@@ -56,7 +59,9 @@ RUN set -ex \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
   && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
   && apt-mark auto '.*' > /dev/null \
-  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false
+  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+  # smoke test
+  && yarn --version
 
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
diff --git a/chakracore/10/Dockerfile b/chakracore/10/Dockerfile
index 28134c19..ebbf175b 100644
--- a/chakracore/10/Dockerfile
+++ b/chakracore/10/Dockerfile
@@ -15,7 +15,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && grep " node-v$NODE_VERSION-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
   && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
   && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt \
-  && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+  && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 1.21.1
 
@@ -34,6 +37,8 @@ RUN set -ex \
   && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
-  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz
+  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  # smoke test
+  && yarn --version
 
 CMD [ "node" ]
diff --git a/chakracore/Dockerfile.template b/chakracore/Dockerfile.template
index 401f7d58..a413affc 100644
--- a/chakracore/Dockerfile.template
+++ b/chakracore/Dockerfile.template
@@ -15,7 +15,10 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && grep " node-v$NODE_VERSION-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
   && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
   && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt \
-  && ln -s /usr/local/bin/node /usr/local/bin/nodejs
+  && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 ENV YARN_VERSION 0.0.0
 
@@ -34,6 +37,8 @@ RUN set -ex \
   && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
   && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
-  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz
+  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  # smoke test
+  && yarn --version
 
 CMD [ "node" ]