Web3signer init service

web3signer.yml

@@ -7,6 +7,28 @@ x-logging: &logging
       tag: '{{.ImageName}}|{{.Name}}|{{.ImageFullID}}|{{.FullID}}'
 
 services:
+  w3s-init:
+    restart: "no"
+    build:
+      context: ./web3signer
+      args:
+        - DOCKER_TAG=${W3S_DOCKER_TAG:-latest}
+        - DOCKER_REPO=${W3S_DOCKER_REPO:-consensys/web3signer}
+      dockerfile: Dockerfile.init
+    image: w3s-init:local
+    pull_policy: never
+    depends_on:
+      postgres:
+        condition: service_healthy
+    <<: *logging
+    entrypoint:
+      - /flyway/flyway
+      - migrate
+      - -url=jdbc:postgresql://${PG_ALIAS}/web3signer
+      - -user=postgres
+      - -password=postgres
+      - -locations=filesystem:/tmp/web3signer
+
   web3signer:
     restart: "unless-stopped"
     build:
@@ -31,8 +53,8 @@ services:
           # This allows multiple Eth Docker stacks all connected to the same bridge network
           - ${W3S_ALIAS:-${NETWORK}-web3signer}
     depends_on:
-      postgres:
-        condition: service_healthy
+      w3s-init:
+        condition: service_completed_successfully
     <<: *logging
     entrypoint:
       - docker-entrypoint.sh

web3signer/Dockerfile.binary

@@ -2,8 +2,6 @@
 ARG DOCKER_TAG=latest
 ARG DOCKER_REPO=consensys/web3signer
 
-FROM flyway/flyway:latest AS flyway
-
 FROM ${DOCKER_REPO}:${DOCKER_TAG}
 
 ARG USER=web3signer
@@ -27,10 +25,6 @@ COPY --chown=${USER}:${USER} ./docker-entrypoint.sh /usr/local/bin/
 # Belt and suspenders
 RUN chmod -R 755 /usr/local/bin/*
 
-# Flyway for initial migrations
-
-COPY --from=flyway --chown=${USER}:${USER} /flyway /flyway
-
 USER ${USER}
 
 ENTRYPOINT ["/opt/web3signer/bin/web3signer"]

web3signer/Dockerfile.init

@@ -0,0 +1,9 @@
+# hadolint global ignore=DL3007,DL3008,DL3059
+ARG DOCKER_TAG=latest
+ARG DOCKER_REPO=consensys/web3signer
+
+FROM ${DOCKER_REPO}:${DOCKER_TAG} AS web3signer
+
+FROM flyway/flyway:latest
+
+COPY --from=web3signer /opt/web3signer/migrations/postgresql /tmp/web3signer

web3signer/docker-entrypoint.sh

@@ -36,8 +36,6 @@ if [[ -f /var/lib/web3signer/.migration_fatal_error ]]; then
     exit 1
 fi
 
-/flyway/flyway migrate -url="jdbc:postgresql://${PG_ALIAS}/web3signer" -user=postgres -password=postgres -locations=filesystem:/opt/web3signer/migrations/postgresql
-
 # Word splitting is desired for the command line parameters
 # shellcheck disable=SC2086
 exec "$@" ${__network}