Harbor Installation Prerequisites

apt install podman podman-compose podman-docker openssl
apt install docker.io docker-compose openssl

official releases
wget https://github.com/goharbor/harbor/releases/download/v2.13.1/harbor-offline-installer-v2.13.1.tgz

tar xzvf harbor-offline-installer-version.tgz

openssl genrsa -out ca.key 4096

openssl req -x509 -new -nodes -sha512 -days 3650 \
 -subj "/C=DE/ST=STATE/L=LOCATION/O=ORGANIZATION/OU=Registry/CN=harbor.local" \
 -key ca.key \
 -out ca.crt

openssl genrsa -out harbor.local.key 4096

openssl req -sha512 -new \
 -subj "/C=DE/ST=STATE/L=LOCATION/O=ORGANIZATION/OU=Registry/CN=harbor.local" \
 -key harbor.local.key \
 -out harbor.local.csr

cat > v3.ext <<-EOF
authorityKeyIdentifier=keyid,issuer
basicConstraints=CA:FALSE
keyUsage = digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment
extendedKeyUsage = serverAuth
subjectAltName = @alt_names

[alt_names]
DNS.1=harbor.registry.internal
DNS.2=harbor.local
DNS.3=harbor
EOF

openssl x509 -req -sha512 -days 3650 \
  -extfile v3.ext \
  -CA ca.crt -CAkey ca.key -CAcreateserial \
  -in harbor.local.csr \
  -out harbor.local.crt

openssl x509 -inform PEM -in harbor.local.crt -out harbor.local.cert

cp harbor/harbor.yml.tmpl harbor/harbor.yml
edit:
hostname: harbor.local
…
certificate: /path/to/harbor.local.cert
private_key: /path/to/harbor.local.key

cd harbor && bash install.sh

open Browser and login with User admin and Password Harbor12345