- Create a utility that will optimize Dockerfile
- In the analysis of a large number of Dockerfile
- Checking commands that will be launched in the container
- ... also in other practical or research purposes
pip install dockerfile-parseror
git clone https://github.com/eg0r/dockerfile-parser
cd dockerfile-parser
python setup.py installExample parsing Dockerfile project Cassandra (in json-format):
from json import dumps
from dockerfile_parser import parser
parsed = parser.parse('/path/to/cassandra/Dockerfile')
print(dumps(parsed, indent=2, separators=(',', ': ')))Result:
{
"workdir": {
"/": {
"root": {
"run": [
"apt-key adv --keyserver ha.pool.sks-keyservers.net --recv-keys 514A2AD631A57A16DD0047EC749D6EEC0353B12C",
"echo 'deb http://www.apache.org/dist/cassandra/debian 21x main' >> /etc/apt/sources.list.d/cassandra.list",
"apt-get update && apt-get install -y cassandra=\"$CASSANDRA_VERSION\" && rm -rf /var/lib/apt/lists/*",
"sed -ri ' s/^(rpc_address:).*/1 0.0.0.0/; ' \"$CASSANDRA_CONFIG/cassandra.yaml\""
],
"copy": [
{
"dest": "/docker-entrypoint.sh",
"src": "docker-entrypoint.sh"
}
],
"entrypoint": [
"/docker-entrypoint.sh"
],
"cmd": [
[
"cassandra",
"-f"
]
]
}
}
},
"from": {
"detail": {
"image": "debian",
"tag": "jessie"
},
"full_name": "debian:jessie"
},
"env": {
"CASSANDRA_VERSION": "2.1.5",
"CASSANDRA_CONFIG": "/etc/cassandra"
},
"volume": [
"/var/lib/cassandra/data"
],
"expose": [
7000,
7001,
7199,
9042,
9160
]
}
Please let us know if they find errors.