docker for python3

Dockerfile

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+FROM alpine:3.11.6
+
+WORKDIR /app
+
+COPY [ "switchRole.sh", "getParamStore.sh", "./var/" ]
+
+ENV PYTHON_VERSION 3.8.2-r0
+
+ENV PATH /usr/local/bin:$PATH
+
+RUN apk add --update --no-cache \
+        autoconf \
+        automake \
+        bash \
+        curl \
+        g++ \
+        gcc \
+        jq \
+        libtool \
+        make \
+        python3-dev \
+        python3=$PYTHON_VERSION \
+        zip \
+    && rm -rf /var/cache/apk/*
+
+RUN cd /usr/local/bin \
+    && rm -f /usr/bin/python \
+    && ln -s /usr/bin/python3 python
+
+RUN pip3 install --upgrade --no-cache-dir \
+    pip \
+    autopep8 \
+    awscli \
+    boto3 \
+    coverage \
+    jq \
+    pandas \
+    pylint \
+    requests \
+    s3pypi \
+    setuptools \
+    sphinx \
+    sphinx-rtd-theme

README.rst

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+=============
+rdp-python3
+=============
+
+**Description:**
+
+Docker for python 3
+
+**Note:**
+
+Please use pip3 instead of pip when instead installing python packages

getParamStore.sh

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+#!/bin/bash
+
+#This script will generate a file env.sh
+#To use: bash getEnv.sh [path...]
+#Please execute
+# $ source env.sh
+#to apply environment variables
+
+if [ $# -eq 0 ]; then
+	echo "No arguments provided"
+	exit 1
+fi
+ARGUMENTS="$@"
+OUT_FILE="/var/env.sh"
+echo '#!/bin/sh' > $OUT_FILE
+
+# non greedy capture group 1, | greedy capture till end of string
+
+# use for mac os
+# SED_COMMAND="sed \"s^\([^\|]*\)\|\(.*\)^export \\1='\\2'^\""
+
+# use for aws linux
+SED_COMMAND="sed \"s^\([^|]*\)|\(.*\)^export \\1='\\2'^\""
+
+function exportToFile() {
+	old_IFS=$IFS
+	#set delimiter to only newline
+	IFS=$'\n'
+	for param in `jq -n "$1" | jq -r '.[].Value'`
+	do
+		# echo $param
+		param=$(sed "s^'^'\\\''^" <<< $param) #escape all single quotes
+		# echo $param
+		param=`eval $SED_COMMAND <<< $param`
+		# echo "$param"
+		echo $param >> $OUT_FILE
+		# echo "echo $val" >> $OUT_FILE
+	done
+	#restore delimiter
+	IFS=$old_IFS
+}
+for var in $ARGUMENTS
+do
+	PARAMSTORE=`aws ssm get-parameters-by-path --path "$var" --no-paginate --recursive | jq -r '.Parameters'`
+	exportToFile "$PARAMSTORE"
+done

switchRole.sh

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+#!/bin/sh
+
+if [ $# -ne 2 ]; then
+	echo "Error! Too many arguments provided\nsource /var/switchRole.sh <AWS_ROLE> <AWS_REGION>"
+	exit 1
+fi
+
+echo "Start of Switch Role"
+
+unset AWS_ACCESS_KEY_ID
+unset AWS_SECRET_ACCESS_KEY
+unset AWS_SESSION_TOKEN
+unset AWS_DEFAULT_REGION
+
+# switch role
+aws sts assume-role --role-arn $1 --role-session-name rdp-develop-access > assume-role-output.txt
+export AWS_ACCESS_KEY_ID=`cat assume-role-output.txt | jq -r '.Credentials.AccessKeyId'`
+export AWS_SECRET_ACCESS_KEY=`cat assume-role-output.txt | jq -r '.Credentials.SecretAccessKey'`
+export AWS_SESSION_TOKEN=`cat assume-role-output.txt | jq -r '.Credentials.SessionToken'`
+export AWS_DEFAULT_REGION=$2
+
+echo "End of Switch Role"