Improve file size of Docker image

Dockerfile

@@ -1,5 +1,5 @@
 FROM ubuntu:22.04
-MAINTAINER Lukas Forer <[email protected]> / Sebastian Schönherr <[email protected]>
+LABEL Lukas Forer <[email protected]> / Sebastian Schönherr <[email protected]>
 
 # Install compilers
 RUN apt-get update && \
@@ -31,12 +31,12 @@ WORKDIR "/opt"
 RUN wget https://faculty.washington.edu/browning/beagle/beagle.${BEAGLE_VERSION}.jar && \
     mv beagle.${BEAGLE_VERSION}.jar /usr/bin/.
 
-
 # Install bcftools
 ENV BCFTOOLS_VERSION=1.13
 WORKDIR "/opt"
 RUN wget https://github.com/samtools/bcftools/releases/download/${BCFTOOLS_VERSION}/bcftools-${BCFTOOLS_VERSION}.tar.bz2  && \
     tar xvfj bcftools-${BCFTOOLS_VERSION}.tar.bz2 && \
+    rm bcftools-${BCFTOOLS_VERSION}.tar.bz2 && \
     cd  bcftools-${BCFTOOLS_VERSION}  && \
     ./configure  && \
     make && \
@@ -49,33 +49,31 @@ COPY files/bin/minimac4 minimac4/.
 ENV PATH="/opt/minimac4:${PATH}"
 RUN chmod +x /opt/minimac4/minimac4
 
-
 # Install PGS-CALC
 ENV PGS_CALC_VERSION="1.5.5"
 RUN mkdir /opt/pgs-calc
 WORKDIR "/opt/pgs-calc"
 RUN wget https://github.com/lukfor/pgs-calc/releases/download/v${PGS_CALC_VERSION}/pgs-calc-${PGS_CALC_VERSION}.tar.gz && \
-    tar -xf pgs-calc-*.tar.gz
+    tar -xf pgs-calc-*.tar.gz && \
+    rm pgs-calc-*.tar.gz
 ENV PATH="/opt/pgs-calc:${PATH}"
 
-
-
 # Install imputationserver-utils
 ENV IMPUTATIONSERVER_UTILS_VERSION=v1.2.1
 RUN mkdir /opt/imputationserver-utils
 WORKDIR "/opt/imputationserver-utils"
-RUN wget https://github.com/genepi/imputationserver-utils/releases/download/${IMPUTATIONSERVER_UTILS_VERSION}/imputationserver-utils.tar.gz
-#COPY files/bin/imputationserver-utils.tar.gz /opt/imputationserver-utils/.
-RUN tar xvfz imputationserver-utils.tar.gz
-RUN chmod +x /opt/imputationserver-utils/bin/tabix
-
+RUN wget https://github.com/genepi/imputationserver-utils/releases/download/${IMPUTATIONSERVER_UTILS_VERSION}/imputationserver-utils.tar.gz && \
+    tar xvfz imputationserver-utils.tar.gz && \
+    rm imputationserver-utils.tar.gz && \
+    chmod +x /opt/imputationserver-utils/bin/tabix
 
 # Install ccat
 ENV CCAT_VERSION=1.1.0
-RUN wget https://github.com/jingweno/ccat/releases/download/v${CCAT_VERSION}/linux-amd64-${CCAT_VERSION}.tar.gz
-RUN tar xfz linux-amd64-${CCAT_VERSION}.tar.gz
-RUN cp linux-amd64-${CCAT_VERSION}/ccat /usr/local/bin/
-RUN chmod +x /usr/local/bin/ccat
+RUN wget https://github.com/jingweno/ccat/releases/download/v${CCAT_VERSION}/linux-amd64-${CCAT_VERSION}.tar.gz && \
+    tar xfz linux-amd64-${CCAT_VERSION}.tar.gz && \
+    rm linux-amd64-${CCAT_VERSION}.tar.gz && \
+    cp linux-amd64-${CCAT_VERSION}/ccat /usr/local/bin/ && \
+    chmod +x /usr/local/bin/ccat
 
 # Needed, because imputationserver-utils starts process (e.g. tabix)
 ENV JAVA_TOOL_OPTIONS="-Djdk.lang.Process.launchMechanism=vfork"