Alpine: Don't install libraries for tkinter

* It is rarely used in a container
* The Debian slim images also don't include these libraries
* Requires >12MB of libraries (x11, freetype...)
* If needed, the required libraries can be installed and it should still
  work

Author: JayH5

2.7/alpine3.6/Dockerfile

@@ -68,7 +68,10 @@ RUN set -ex \
 	&& make install \
 	\
 	&& runDeps="$( \
-		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
+		scanelf --needed --nobanner --format '%f:%n#p' --recursive /usr/local \
+# don't install libraries for tkinter as it is rarely used inside a container
+			| grep -v tkinter \
+			| cut -d ':' -f 2 \
 			| tr ',' '\n' \
 			| sort -u \
 			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \

2.7/alpine3.7/Dockerfile

@@ -68,7 +68,10 @@ RUN set -ex \
 	&& make install \
 	\
 	&& runDeps="$( \
-		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
+		scanelf --needed --nobanner --format '%f:%n#p' --recursive /usr/local \
+# don't install libraries for tkinter as it is rarely used in a container
+			| grep -v tkinter \
+			| cut -d ':' -f 2 \
 			| tr ',' '\n' \
 			| sort -u \
 			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \

3.4/alpine3.7/Dockerfile

@@ -80,7 +80,10 @@ RUN set -ex \
 	&& make install \
 	\
 	&& runDeps="$( \
-		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
+		scanelf --needed --nobanner --format '%f:%n#p' --recursive /usr/local \
+# don't install libraries for tkinter as it is rarely used inside a container
+			| grep -v tkinter \
+			| cut -d ':' -f 2 \
 			| tr ',' '\n' \
 			| sort -u \
 			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \

3.5/alpine3.7/Dockerfile

@@ -80,7 +80,10 @@ RUN set -ex \
 	&& make install \
 	\
 	&& runDeps="$( \
-		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
+		scanelf --needed --nobanner --format '%f:%n#p' --recursive /usr/local \
+# don't install libraries for tkinter as it is rarely used inside a container
+			| grep -v tkinter \
+			| cut -d ':' -f 2 \
 			| tr ',' '\n' \
 			| sort -u \
 			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \

3.6/alpine3.6/Dockerfile

@@ -78,7 +78,10 @@ RUN set -ex \
 	&& make install \
 	\
 	&& runDeps="$( \
-		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
+		scanelf --needed --nobanner --format '%f:%n#p' --recursive /usr/local \
+# don't install libraries for tkinter as it is rarely used inside a container
+			| grep -v tkinter \
+			| cut -d ':' -f 2 \
 			| tr ',' '\n' \
 			| sort -u \
 			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \

3.6/alpine3.7/Dockerfile

@@ -80,7 +80,10 @@ RUN set -ex \
 	&& make install \
 	\
 	&& runDeps="$( \
-		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
+		scanelf --needed --nobanner --format '%f:%n#p' --recursive /usr/local \
+# don't install libraries for tkinter as it is rarely used inside a container
+			| grep -v tkinter \
+			| cut -d ':' -f 2 \
 			| tr ',' '\n' \
 			| sort -u \
 			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \

3.7-rc/alpine3.7/Dockerfile

@@ -80,7 +80,10 @@ RUN set -ex \
 	&& make install \
 	\
 	&& runDeps="$( \
-		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
+		scanelf --needed --nobanner --format '%f:%n#p' --recursive /usr/local \
+# don't install libraries for tkinter as it is rarely used inside a container
+			| grep -v tkinter \
+			| cut -d ':' -f 2 \
 			| tr ',' '\n' \
 			| sort -u \
 			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \

Dockerfile-alpine.template

@@ -74,7 +74,10 @@ RUN set -ex \
 	&& make install \
 	\
 	&& runDeps="$( \
-		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
+		scanelf --needed --nobanner --format '%f:%n#p' --recursive /usr/local \
+# don't install libraries for tkinter as it is rarely used inside a container
+			| grep -v tkinter \
+			| cut -d ':' -f 2 \
 			| tr ',' '\n' \
 			| sort -u \
 			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \