diff --git a/Dockerfile.jesse b/Dockerfile.jesse
deleted file mode 100644
index 3ed3938..0000000
--- a/Dockerfile.jesse
+++ /dev/null
@@ -1,41 +0,0 @@
-FROM debian:jessie
-
-MAINTAINER Erik Kastman, erik.kastman@gmail.com
-
-ENV DEBIAN_FRONTEND noninteractive
-
-# Add Additional System Utils
-RUN apt-get update; \
-    apt-get install -y openjdk-7-jre-headless file; \
-    apt-get install -y gcc; \
-    apt-get install -y make; \
-    apt-get install -y unzip; \
-    apt-get install -y wget; \
-    apt-get install -y patch; \
-    apt-get clean;
-
-# Add Bio Utils
-RUN apt-get install -y bioperl=1.6.924-1; \
-    apt-get install -y mcl=1:14-137-1; \
-    apt-get install -y phylip=1:3.696+dfsg-1; \
-    apt-get install -y mafft=7.205-1; \
-    apt-get clean;
-
-WORKDIR /
-COPY PGAP-1.12.tar.gz.md5 /PGAP-1.12.tar.gz.md5
-RUN wget https://downloads.sourceforge.net/project/pgap/PGAP-1.12/PGAP-1.12.tar.gz; \
-  md5sum -c PGAP-1.12.tar.gz.md5; \
-  tar xzf PGAP-1.12.tar.gz; \
-  mv /PGAP-1.12 /pgap
-
-COPY updatePaths.patch /updatePaths.patch
-RUN patch /pgap/PGAP.pl < /updatePaths.patch
-
-RUN rm /PGAP-1.12.tar.gz /updatePaths.patch
-
-RUN (echo y;echo o conf prerequisites_policy follow;echo o conf commit)|cpan; \
-    cpan Bio::Phylo; \
-    cpan Inline::C; \
-    cpan Bio::AlignIO; \
-    cpan Statistics::LineFit; \
-    cpan Statistics::Distributions; \
diff --git a/Dockerfile.walter_update b/Dockerfile.walter_update
new file mode 100644
index 0000000..6bedcf6
--- /dev/null
+++ b/Dockerfile.walter_update
@@ -0,0 +1,60 @@
+# Lembrem de criar a imagem no mesmo diretorio em que estiver os arquivos PGAP-1.12.md5 e updatePaths.patch
+# Remember to run the image creation in the same directory as the PGAP-1.12.md5 and updatePaths.patch files
+# Base image from Ubuntu 22.04
+# Imagem base do Ubuntu 22.04
+FROM ubuntu:22.04
+
+# Disable interactive prompts during package installation
+# Desabilitar prompts interativos durante a instalação de pacotes
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Update package list and install system utilities
+# Atualizar lista de pacotes e instalar utilitários do sistema
+RUN apt-get update && \
+    apt-get install -y openjdk-8-jre-headless file gcc make unzip wget patch && \
+    apt-get clean
+
+# Install bioinformatics utilities
+# Instalar utilitários de bioinformática
+RUN apt-get install -y bioperl mcl phylip mafft && \
+    apt-get clean
+
+# Set the working directory to root
+# Definir o diretório de trabalho para a raiz
+WORKDIR /
+
+# Copy the PGAP checksum file into the container
+# Copiar o arquivo de checksum do PGAP para o contêiner
+COPY PGAP-1.12.md5 /PGAP-1.12.md5
+
+# Download, verify, and extract PGAP
+# Baixar, verificar e extrair o PGAP
+RUN wget https://downloads.sourceforge.net/project/pgap/PGAP-1.12/PGAP-1.12.tar.gz && \
+    md5sum -c PGAP-1.12.md5 && \
+    tar xzf PGAP-1.12.tar.gz && \
+    mv /PGAP-1.12 /pgap
+
+# Copy the patch file into the container
+# Copiar o arquivo de patch para o contêiner
+COPY updatePaths.patch /updatePaths.patch
+
+# Apply the patch to PGAP
+# Aplicar o patch no PGAP
+RUN patch /pgap/PGAP.pl < /updatePaths.patch
+
+# Remove downloaded files to clean up
+# Remover arquivos baixados para limpeza
+RUN rm /PGAP-1.12.tar.gz /updatePaths.patch
+
+# Install Perl modules needed by PGAP
+# Instalar módulos Perl necessários para o PGAP
+RUN (echo y; echo o conf prerequisites_policy follow; echo o conf commit) | cpan && \
+    cpan Bio::Phylo && \
+    cpan Inline::C && \
+    cpan Bio::AlignIO && \
+    cpan Statistics::LineFit && \
+    cpan Statistics::Distributions
+
+# Keep the container running by tailing /dev/null
+# Manter o contêiner em execução exibindo /dev/null
+CMD ["tail", "-f", "/dev/null"]