fix: Dockerfile to reduce vulnerabilities
fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DEBIAN10-GZIP-2444259
- https://snyk.io/vuln/SNYK-DEBIAN10-LIBDE265-2445048
- https://snyk.io/vuln/SNYK-DEBIAN10-LIBXML2-2413976
- https://snyk.io/vuln/SNYK-DEBIAN10-SUBVERSION-2635650
- https://snyk.io/vuln/SNYK-DEBIAN10-XZUTILS-2444279
Laisky/ramjet,Laisky/ramjet,Laisky/ramjet,Laisky/ramjet