chore: adds container image for jormungandr

Earthfile

@@ -1,6 +1,5 @@
 # Set the Earthly version to 0.7
 VERSION 0.7
-FROM debian:stable-slim
 
 rust-toolchain:
     FROM rust:1.71-slim-bullseye
@@ -71,3 +70,24 @@ build:
 
     SAVE ARTIFACT /src/target/release/jormungandr jormungandr
     SAVE ARTIFACT /src/target/release/jcli jcli
+
+publish:
+    FROM debian:stable-slim
+    WORKDIR /app
+
+    ARG tag=latest
+
+    # Install build dependencies
+    RUN apt-get update && \
+        apt-get install -y --no-install-recommends \
+        libssl-dev \
+        libpq-dev \
+        libsqlite3-dev
+
+    COPY +build/jormungandr .
+    COPY jormungandr/entrypoint.sh .
+    RUN chmod +x entrypoint.sh
+
+    ENTRYPOINT ["/app/entrypoint.sh"]
+
+    SAVE IMAGE jormungandr:${tag}

jormungandr/entrypoint.sh

@@ -0,0 +1,91 @@
+#!/usr/bin/bash
+
+echo ">>> Entering entrypoint script..."
+
+# Verify the storage path exists
+if [[ ! -d "$STORAGE_PATH" ]]; then
+    echo "ERROR: storage path does not exist at: $STORAGE_PATH"
+    echo ">>> Aborting..."
+    exit 1
+fi
+
+# Verify config is present
+if [[ ! -f "$NODE_CONFIG_PATH" ]]; then
+    echo "ERROR: node configuration is absent at: $NODE_CONFIG_PATH"
+    echo ">>> Aborting..."
+    exit 1
+fi
+
+# Verify genesis block is present
+if [[ ! -f "$GENESIS_PATH" ]]; then
+    echo "ERROR: genesis block is absent at: $GENESIS_PATH"
+    echo ">>> Aborting..."
+    exit 1
+fi
+
+# Allow overriding jormungandr binary
+BIN_PATH=''${BIN_PATH:=/app/jormungandr}
+
+echo ">>> Using the following parameters:"
+echo "Storage path: $STORAGE_PATH"
+echo "Node config: $NODE_CONFIG_PATH"
+echo "Genesis block: $GENESIS_PATH"
+echo "Binary path: $BIN_PATH"
+
+args+=()
+args+=("--storage" "$STORAGE_PATH")
+args+=("--config" "$NODE_CONFIG_PATH")
+args+=("--genesis-block" "$GENESIS_PATH")
+
+if [[ -n "${LEADER:=}" ]]; then
+    echo ">>> Configuring node as leader..."
+
+    # shellcheck disable=SC2153
+    if [[ ! -f "$BFT_PATH" ]]; then
+        echo "ERROR: BFT is absent at: $BFT_PATH"
+        echo ">>> Aborting..."
+        exit 1
+    fi
+
+    echo ">>> Using BFT at: $BFT_PATH"
+    args+=("--secret" "$BFT_PATH")
+fi
+
+# Nodes will fail to start if they cannot resolve the domain names of
+# their respective peers. If domains are used for peers, it's necessary
+# to wait for them to resolve first before starting the node.
+if [[ -n "${DNS_PEERS:=}" ]]; then
+    for PEER in $DNS_PEERS; do
+        while ! nslookup "$PEER"; do
+            echo ">>> Waiting for $PEER to be resolvable..."
+            sleep 1
+        done
+        echo "Successfully resolved $PEER"
+    done
+fi
+
+# Allows resetting our footprint in persistent storage
+if [[ -f "$STORAGE_PATH/reset" ]]; then
+    echo ">>> Reset file detected at $STORAGE_PATH/reset"
+    rm -rf "$STORAGE_PATH/reset"
+
+    if [[ -d "$STORAGE_PATH/fragments" ]]; then
+        echo ">>> Deleting $STORAGE_PATH/fragments"
+        rm -rf "$STORAGE_PATH/fragments"
+    fi
+
+    if [[ -d "$STORAGE_PATH/permanent" ]]; then
+        echo ">>> Deleting $STORAGE_PATH/permanent"
+        rm -rf "$STORAGE_PATH/permanent"
+    fi
+
+    if [[ -d "$STORAGE_PATH/volatile" ]]; then
+        echo ">>> Deleting $STORAGE_PATH/volatile"
+        rm -rf "$STORAGE_PATH/volatile"
+    fi
+
+    echo ">>> Reset complete"
+fi
+
+echo "Starting node..."
+exec "$BIN_PATH" "${args[@]}"