fix: [postgres] update with pgm ``0.0.5`` and buffer ``20211018``

Signed-off-by: Valentin Lab <valentin.lab@kalysto.org>

postgres/build/Dockerfile

@@ -7,7 +7,8 @@ FROM common AS builder
 RUN apk -U add alpine-sdk curl
 RUN adduser -D packager && addgroup packager abuild
 
-ENV MBUFFER_APKBUILD_URL=https://git.alpinelinux.org/aports/plain/testing/mbuffer/APKBUILD?id=026cabf316eb477b2ae3e26dadc3e9c30ff26626
+## Orig: https://git.alpinelinux.org/aports/plain/testing/mbuffer/APKBUILD?id=026cabf316eb477b2ae3e26dadc3e9c30ff26626
+ENV MBUFFER_APKBUILD_URL=https://docker.0k.io/downloads/mbuffer-alpine-APKBUILD
 
 USER packager
 
@@ -24,7 +25,7 @@ USER root
 
 RUN apk add curl
 
-RUN curl -L https://raw.githubusercontent.com/0k/pgm/0.0.4/bin/pgm > /bin/pgm && \
+RUN curl -L https://raw.githubusercontent.com/0k/pgm/0.0.5/bin/pgm > /bin/pgm && \
     chmod +x /bin/pgm
 
 FROM common
@@ -34,7 +35,7 @@ RUN apk -U add pv python2 file sed
 COPY --from=builder /home/packager/packages/tmp/x86_64/*.apk /tmp/
 COPY --from=builder /bin/pgm /bin
 
-RUN apk add /tmp/mbuffer-2018*.apk --allow-untrusted
+RUN apk add /tmp/mbuffer-20*.apk --allow-untrusted
 
 RUN apk add gzip