diff --git a/container-build/cerc-fixturenet-eth-geth/Dockerfile b/container-build/cerc-fixturenet-eth-geth/Dockerfile
index d3cf2f95..068291a2 100644
--- a/container-build/cerc-fixturenet-eth-geth/Dockerfile
+++ b/container-build/cerc-fixturenet-eth-geth/Dockerfile
@@ -1,7 +1,7 @@
 FROM skylenet/ethereum-genesis-generator AS ethgen
 
 FROM cerc/go-ethereum:local
-RUN apk add --no-cache python3 py3-pip curl wget jq build-base gettext libintl openssl bash
+RUN apk add --no-cache python3 python3-dev py3-pip curl wget jq build-base gettext libintl openssl bash
 
 COPY --from=ethgen /usr/local/bin/eth2-testnet-genesis /usr/local/bin/eth2-testnet-genesis
 COPY --from=ethgen /usr/local/bin/eth2-val-tools /usr/local/bin/eth2-val-tools
diff --git a/container-build/cerc-fixturenet-eth-geth/genesis/accounts/mnemonic_to_csv.py b/container-build/cerc-fixturenet-eth-geth/genesis/accounts/mnemonic_to_csv.py
index 730426bd..365c3775 100644
--- a/container-build/cerc-fixturenet-eth-geth/genesis/accounts/mnemonic_to_csv.py
+++ b/container-build/cerc-fixturenet-eth-geth/genesis/accounts/mnemonic_to_csv.py
@@ -12,6 +12,6 @@ if len(sys.argv) > 1:
 with open(testnet_config_path) as stream:
     data = yaml.safe_load(stream)
 
-for key, value in data['eth1_premine'].items():
+for key, value in data['el_premine'].items():
     acct = w3.eth.account.from_mnemonic(data['mnemonic'], account_path=key, passphrase='')
     print("%s,%s,%s" % (key, acct.address, acct.key.hex()))
diff --git a/container-build/cerc-fixturenet-eth-geth/genesis/el/build_el.sh b/container-build/cerc-fixturenet-eth-geth/genesis/el/build_el.sh
index 5eeeba51..0070707d 100755
--- a/container-build/cerc-fixturenet-eth-geth/genesis/el/build_el.sh
+++ b/container-build/cerc-fixturenet-eth-geth/genesis/el/build_el.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+set -e
 
 # See: https://github.com/skylenet/ethereum-genesis-generator/blob/master/entrypoint.sh
 
@@ -8,5 +9,7 @@ mkdir -p ../build/el
 tmp_dir=$(mktemp -d -t ci-XXXXXXXXXX)
 envsubst < el-config.yaml > $tmp_dir/genesis-config.yaml
 
-python3 /apps/el-gen/genesis_geth.py $tmp_dir/genesis-config.yaml   > ../build/el/geth.json
+ttd=`cat $tmp_dir/genesis-config.yaml | grep terminal_total_difficulty | awk '{ print $2 }'`
+
+python3 /apps/el-gen/genesis_geth.py $tmp_dir/genesis-config.yaml | jq ".config.terminalTotalDifficulty=$ttd" > ../build/el/geth.json
 python3 ../accounts/mnemonic_to_csv.py $tmp_dir/genesis-config.yaml > ../build/el/accounts.csv
diff --git a/container-build/cerc-fixturenet-eth-geth/genesis/el/el-config.yaml b/container-build/cerc-fixturenet-eth-geth/genesis/el/el-config.yaml
index 7beb9c80..ed8d4885 100644
--- a/container-build/cerc-fixturenet-eth-geth/genesis/el/el-config.yaml
+++ b/container-build/cerc-fixturenet-eth-geth/genesis/el/el-config.yaml
@@ -1,17 +1,16 @@
 mnemonic: "viable ketchup woman library opinion copy rhythm attend rose knock penalty practice photo bundle budget dentist enter round bind holiday useful arch danger lobster"
-eth1_premine:
+el_premine:
   "m/44'/60'/0'/0/0": 10000000ETH
   "m/44'/60'/0'/0/1": 10000000ETH
   "m/44'/60'/0'/0/2": 10000000ETH
   "m/44'/60'/0'/0/3": 10000000ETH
   "m/44'/60'/0'/0/4": 10000000ETH
   "m/44'/60'/0'/0/5": 10000000ETH
-eth1_premine_addrs: {}
+el_premine_addrs: {}
 chain_id: 1212
 deposit_contract_address: "0x1212121212121212121212121212121212121212"
-eth1_genesis_timestamp: 0
-terminal_total_difficulty: 10000000
-mergeForkBlock: 100
+genesis_timestamp: 0
+terminal_total_difficulty: 1000
 
 clique:
   enabled: false
diff --git a/container-build/cerc-fixturenet-eth-lighthouse/genesis/cl/vars.env b/container-build/cerc-fixturenet-eth-lighthouse/genesis/cl/vars.env
index 66fd8c8e..d68cbdcc 100644
--- a/container-build/cerc-fixturenet-eth-lighthouse/genesis/cl/vars.env
+++ b/container-build/cerc-fixturenet-eth-lighthouse/genesis/cl/vars.env
@@ -27,8 +27,8 @@ GENESIS_DELAY=${GENESIS_DELAY:-0}
 BOOTNODE_PORT=${BOOTNODE_PORT:-4242}
 
 # Hard fork configuration
-ALTAIR_FORK_EPOCH=${ALTAIR_FORK_EPOCH:-1}
-MERGE_FORK_EPOCH=${MERGE_FORK_EPOCH:-2}
+ALTAIR_FORK_EPOCH=${ALTAIR_FORK_EPOCH:-0}
+MERGE_FORK_EPOCH=${MERGE_FORK_EPOCH:-0}
 
 # Spec version (mainnet or minimal)
 SPEC_PRESET=${SPEC_PRESET:-mainnet}
@@ -44,10 +44,11 @@ VC_ARGS=${VC_ARGS:-""}
 
 EXECUTION_ENDPOINT=${EXECUTION_ENDPOINT:-http://localhost:8551}
 
+ETH1_GENESIS_JSON=${ETH1_GENESIS_JSON:-"../build/el/geth.json"}
 ETH1_CONFIG_YAML=${ETH1_CONFIG_YAML:-"../el/el-config.yaml"}
 
-ETH1_CHAIN_ID=${ETH1_CHAIN_ID:-`cat $ETH1_CONFIG_YAML | grep 'chain_id' | awk '{ print $2 }'`}
-ETH1_TTD=${ETH1_TTD:-`cat $ETH1_CONFIG_YAML | grep 'terminal_total_difficulty' | awk '{ print $2 }'`}
+ETH1_CHAIN_ID=${ETH1_CHAIN_ID:-`cat $ETH1_GENESIS_JSON | jq -r '.config.chainId'`}
+ETH1_TTD=${ETH1_TTD:-`cat $ETH1_GENESIS_JSON | jq -r '.config.terminalTotalDifficulty'`}
 ETH1_DEPOSIT_CONTRACT_ADDRESS=${ETH1_DEPOSIT_CONTRACT_ADDRESS:-`cat $ETH1_CONFIG_YAML | grep 'deposit_contract_address' | awk '{ print $2 }' | sed 's/"//g'`}
 ETH1_DEPOSIT_CONTRACT_BLOCK=${ETH1_DEPOSIT_CONTRACT_BLOCK:-0x0}
 SUGGESTED_FEE_RECIPIENT=`cat ../build/el/accounts.csv | head -1 | cut -d',' -f2`
diff --git a/container-build/cerc-fixturenet-eth-lighthouse/run-cl.sh b/container-build/cerc-fixturenet-eth-lighthouse/run-cl.sh
index 4d41f590..07346e58 100755
--- a/container-build/cerc-fixturenet-eth-lighthouse/run-cl.sh
+++ b/container-build/cerc-fixturenet-eth-lighthouse/run-cl.sh
@@ -9,14 +9,14 @@ if [ "true" == "$RUN_BOOTNODE" ]; then
     ./bootnode.sh 2>&1 | tee /var/log/lighthouse_bootnode.log
 else
     while [ 1 -eq 1 ]; do
-      echo "Waiting on DAG ..."
+      echo "Waiting on geth ..."
       sleep 5
       result=`wget --no-check-certificate --quiet \
         -O - \
         --method POST \
         --timeout=0 \
         --header 'Content-Type: application/json' \
-        --body-data '{ "jsonrpc": "2.0", "id": 1, "method": "eth_getBlockByNumber", "params": ["0x3", false] }' "${ETH1_ENDPOINT:-localhost:8545}" | jq -r '.result'`
+        --body-data '{ "jsonrpc": "2.0", "id": 1, "method": "eth_blockNumber", "params": [] }' "${ETH1_ENDPOINT:-localhost:8545}" | jq -r '.result'`
        if [ ! -z "$result" ] && [ "null" != "$result" ]; then
            break
        fi
diff --git a/container-build/cerc-fixturenet-eth-lighthouse/scripts/status.sh b/container-build/cerc-fixturenet-eth-lighthouse/scripts/status.sh
index a9ef78e9..e02fc14b 100755
--- a/container-build/cerc-fixturenet-eth-lighthouse/scripts/status.sh
+++ b/container-build/cerc-fixturenet-eth-lighthouse/scripts/status.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-STATUSES=("geth to begin mining" "beacon phase0" "beacon altair" "beacon bellatrix pre-merge" "beacon bellatrix merge")
+STATUSES=("geth to generate DAG" "beacon phase0" "beacon altair" "beacon bellatrix pre-merge" "beacon bellatrix merge")
 STATUS=0