.blockscout.env

BLOCKSCOUT_VERSION=unknown
COIN=POA
DB_HOST=postgres
DB_PASSWORD=-
DB_PORT=5432
DB_USERNAME=postgres
ETHEREUM_JSONRPC_HTTP_URL=http://gochain0:8545
ETHEREUM_JSONRPC_WS_URL=ws://gochain0:8546
ETHEREUM_JSONRPC_TRACE_URL=http://localhost:8545
ETHEREUM_JSONRPC_VARIANT=geth
HEART_BEAT_TIMEOUT=30
HEART_COMMAND=sudo systemctl restart explorer.service
LOGO=/images/blockscout_logo.svg
NETWORK=POA Network
SUBNETWORK=Sokol Testnet
NETWORK_ICON=_test_network_icon.html
LINK_TO_OTHER_EXPLORERS=true

DATABASE_URL=postgresql://postgres@postgres:5432/blockscout
SECRET_KEY_BASE=00000000000000000000000000000000/0000000000000000000000000000000
BLOCKSCOUT_HOST=0.0.0.0

Dockerfile

FROM alpine:3
RUN apk add elixir npm git make automake libtool inotify-tools gcc g++ gmp gmp-dev

WORKDIR /opt
RUN git clone -b production-core --depth 1 https://github.com/poanetwork/blockscout

WORKDIR /opt/blockscout
RUN mix local.hex --force && mix do deps.get, local.rebar --force, deps.compile, compile

WORKDIR /opt/blockscout/apps/block_scout_web/assets
RUN npm install && node_modules/webpack/bin/webpack.js --mode production

WORKDIR /opt/blockscout/apps/explorer
RUN npm install

WORKDIR /opt/blockscout
RUN mix phx.digest

WORKDIR /opt/blockscout/apps/block_scout_web
RUN mix phx.gen.cert blockscout blockscout.local && \
    echo $'\n\
127.0.0.1       localhost blockscout blockscout.local\n\
255.255.255.255 broadcasthost\n\
::1             localhost blockscout blockscout.local' > /etc/hosts

ADD https://github.com/ufoscout/docker-compose-wait/releases/download/2.5.0/wait /wait
RUN chmod +x /wait

WORKDIR /opt/blockscout
EXPOSE 4000

Errors

blockscout_1       | 2020-03-20T18:50:50.300 [warn] The on_load function for module libsecp256k1 returned:
blockscout_1       | {:error, {:load_failed, 'Failed to load NIF library: \'Error loading shared library /opt/blockscout/_build/dev/lib/libsecp256k1/priv/libsecp256k1_nif.so: No such file or directory\''}}
blockscout_1       |
blockscout_1       | 2020-03-20T18:50:51.072 application=tzdata [info] tzdata release in place is from a file last modified Tue, 26 Mar 2019 05:40:14 GMT. Release file on server was last modified Wed, 11 Sep 2019 19:35:17 GMT.
blockscout_1       | 2020-03-20T18:50:53.551 [warn] The on_load function for module libsecp256k1 returned:
blockscout_1       | {:error, {:load_failed, 'Failed to load NIF library: \'Error loading shared library /opt/blockscout/_build/dev/lib/libsecp256k1/priv/libsecp256k1_nif.so: No such file or directory\''}}
blockscout_1       |
blockscout_1       | ** (Mix) Could not start application mnesia: could not find application file: mnesia.app