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Merge pull request #436 from Paraphraser/20211023-blynkServer-selfRepair-old-menu
20211023 Blynk Server - old-menu branch - PR 2 of 3
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‎.templates/blynk_server/Dockerfile‎

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FROM adoptopenjdk/openjdk14
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MAINTAINER 877dev <[email protected]>
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# Acknowledgements:
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# Based on:
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# https://github.com/SensorsIot/IOTstack/blob/master/.templates/blynk_server/Dockerfile
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# (as at commit ID 4dff89c1bb6a5b1c01d3c087dcb662256a0c050f)
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# Borrows from:
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# https://github.com/Peterkn2001/blynk-server/blob/master/server/Docker/Dockerfile
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# (as at commit ID 889c7e55161832e21264d993d9fa5abd1c015e1c)
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#RUN apt-get update
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#RUN apt-get install -y apt-utils
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#RUN apt-get install -y default-jdk curl
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FROM ubuntu
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ENV BLYNK_SERVER_VERSION 0.41.14
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RUN mkdir /blynk
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RUN curl -L https://github.com/blynkkk/blynk-server/releases/download/v${BLYNK_SERVER_VERSION}/server-${BLYNK_SERVER_VERSION}.jar > /blynk/server.jar
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# declare the version to be built, defaulting to 0.41.16 (which is
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# current as of 2021-10-22)
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ARG BLYNK_SERVER_VERSION=0.41.16
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# Create data folder. To persist data, map a volume to /data
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RUN mkdir /data
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# form the download URL
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ENV BLYNK_SERVER_URL=https://github.com/Peterkn2001/blynk-server/releases/download/v${BLYNK_SERVER_VERSION}/server-${BLYNK_SERVER_VERSION}.jar
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# Create configuration folder. To persist data, map a file to /config/server.properties
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RUN mkdir /config && touch /config/server.properties
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VOLUME ["/config", "/data/backup"]
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# Add support packages to the base image
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RUN apt-get update \
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&& apt-get install -y \
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apt-utils \
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libreadline8 \
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libreadline-dev \
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&& apt-get install -y \
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curl \
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libxrender1 \
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maven \
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openjdk-11-jdk \
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rsync
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# IP port listing:
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# 8080: Hardware without ssl/tls support
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# 9443: Blynk app, https, web sockets, admin port
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EXPOSE 8080 9443
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# Add IOTstack-specific support
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ENV IOTSTACK_DEFAULTS_DIR="iotstack_defaults"
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ENV IOTSTACK_ENTRY_POINT="docker-entrypoint.sh"
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COPY ${IOTSTACK_DEFAULTS_DIR} /${IOTSTACK_DEFAULTS_DIR}
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COPY ${IOTSTACK_ENTRY_POINT} /${IOTSTACK_ENTRY_POINT}
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RUN chmod 755 /${IOTSTACK_ENTRY_POINT}
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WORKDIR /data
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ENTRYPOINT ["java", "-jar", "/blynk/server.jar", "-dataFolder", "/data", "-serverConfig", "/config/server.properties", "-mailConfig", "/config/mail.properties"]
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# define well-known paths
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ENV IOTSTACK_DATA_DIR="/data"
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ENV IOTSTACK_CONF_DIR="/config"
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ENV IOTSTACK_JAVA_DIR="/blynk"
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# Create and populate expected folders
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RUN mkdir -p ${IOTSTACK_DATA_DIR} ${IOTSTACK_JAVA_DIR} \
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&& curl -L ${BLYNK_SERVER_URL} >"${IOTSTACK_JAVA_DIR}/server.jar"
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# declare expected mapped volumes
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VOLUME ["${IOTSTACK_CONF_DIR}", "${IOTSTACK_DATA_DIR}"]
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# Expose assumed internal ports:
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# 8080 http.port
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# 8440 hardware.mqtt.port
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# 9443 https.port
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EXPOSE 8080 8440 9443
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# set the working directory
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WORKDIR ${IOTSTACK_DATA_DIR}
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# define launch procedure
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ENTRYPOINT ["/docker-entrypoint.sh"]
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CMD ["java", "-jar", "/blynk/server.jar", "-dataFolder", "/data", "-serverConfig", "/config/server.properties", "-mailConfig", "/config/mail.properties"]
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# supplement image metadata
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LABEL blynk-server.version=${BLYNK_SERVER_VERSION}
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LABEL blynk-server.url=${BLYNK_SERVER_URL}
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LABEL com.github.SensorsIot.IOTstack.Dockerfile.maintainer="877dev <[email protected]>"
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LABEL com.github.Peterkn2001.blynk-server.Dockerfile.maintainer="Florian Mauduit <[email protected]>"
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# unset variables that are not needed by docker-entrypoint.sh
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ENV IOTSTACK_ENTRY_POINT=
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ENV IOTSTACK_DATA_DIR=
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ENV IOTSTACK_JAVA_DIR=
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ENV BLYNK_SERVER_URL=
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# EOF

‎.templates/blynk_server/directoryfix.sh‎

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‎.templates/blynk_server/docker-entrypoint.sh‎

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#!/bin/bash
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set -e
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# were we launched as root with defaults available?
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if [ "$(id -u)" = "0" -a -d /"$IOTSTACK_DEFAULTS_DIR" ]; then
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# yes! ensure that the IOTSTACK_CONF_DIR exists
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mkdir -p "$IOTSTACK_CONF_DIR"
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# populate runtime directory from the defaults
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rsync -arp --ignore-existing "/${IOTSTACK_DEFAULTS_DIR}/" "${IOTSTACK_CONF_DIR}"
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# enforce correct ownership
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chown -R "${IOTSTACK_UID:-nobody}":"${IOTSTACK_GID:-nobody}" "$IOTSTACK_CONF_DIR"
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fi
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# start the blynk server
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exec "$@"

‎.templates/blynk_server/iotstack_defaults/mail.properties‎

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mail.smtp.auth=true
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mail.smtp.starttls.enable=true
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mail.smtp.host=smtp.gmail.com
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mail.smtp.port=587
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mail.smtp.username[email protected]
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mail.smtp.password=YOUR_GMAIL_APP_PASSWORD
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mail.smtp.connectiontimeout=30000
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mail.smtp.timeout=120000
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‎.templates/blynk_server/iotstack_defaults/server.properties‎

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hardware.mqtt.port=8440
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http.port=8080
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force.port.80.for.csv=false
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force.port.80.for.redirect=true
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https.port=9443
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data.folder=./data
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logs.folder=./logs
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log.level=info
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user.devices.limit=10
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user.tags.limit=100
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user.dashboard.max.limit=100
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user.widget.max.size.limit=20
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user.message.quota.limit=100
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notifications.queue.limit=2000
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blocking.processor.thread.pool.limit=6
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notifications.frequency.user.quota.limit=5
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webhooks.frequency.user.quota.limit=1000
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webhooks.response.size.limit=96
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user.profile.max.size=128
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terminal.strings.pool.size=25
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map.strings.pool.size=25
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lcd.strings.pool.size=6
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table.rows.pool.size=100
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profile.save.worker.period=60000
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stats.print.worker.period=60000
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web.request.max.size=524288
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csv.export.data.points.max=43200
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hard.socket.idle.timeout=10
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enable.db=false
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enable.raw.db.data.store=false
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async.logger.ring.buffer.size=2048
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allow.reading.widget.without.active.app=false
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allow.store.ip=true
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initial.energy=1000000
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admin.rootPath=/admin
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restore.host=blynk-cloud.com
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product.name=Blynk
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admin.email[email protected]
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admin.pass=admin
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‎.templates/blynk_server/service.yml‎

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blynk_server:
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build: ./services/blynk_server/.
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build:
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context: ./.templates/blynk_server/.
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args:
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- BLYNK_SERVER_VERSION=0.41.16
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container_name: blynk_server
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restart: unless-stopped
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environment:
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- TZ=Etc/UTC
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- IOTSTACK_UID=1000
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- IOTSTACK_GID=1000
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ports:
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- "8180:8080"
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- "8441:8441"
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- "8440:8440"
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- "9443:9443"
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volumes:
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- ./volumes/blynk_server/data:/data
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- ./volumes/blynk_server/data/config:/config
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- ./volumes/blynk_server/config:/config

‎docs/Containers/Blynk_server.md‎

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# Blynk server
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This is a custom implementation of Blynk Server
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```yml
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blynk_server:
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build: ./services/blynk_server/.
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container_name: blynk_server
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restart: unless-stopped
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ports:
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- 8180:8080
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- 8441:8441
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- 9443:9443
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volumes:
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- ./volumes/blynk_server/data:/data
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```
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To connect to the admin interface navigate to `<your pis IP>:9443/admin`
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I don't know anything about this service so you will need to read though the setup on the [Project Homepage](https://github.com/blynkkk/blynk-server)
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When setting up the application on your mobile be sure to select custom setup [here](https://github.com/blynkkk/blynk-server#app-and-sketch-changes)
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Writeup From @877dev
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## Getting started
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Log into admin panel at https://youripaddress:9443/admin
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(Use your Pi's IP address, and ignore Chrome warning).
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Default credentials:
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user:[email protected]
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pass:admin
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## Change username and password
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Click on Users > "email address" and edit email, name and password.
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Save changes
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Restarting the container using Portainer may be required to take effect.
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## Setup gmail
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Optional step, useful for getting the auth token emailed to you.
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(To be added once confirmed working....)
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## iOS/Android app setup
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Login the app as per the photos [HERE](https://github.com/blynkkk/blynk-server#app-and-sketch-changes)
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Press "New Project"
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Give it a name, choose device "Raspberry Pi 3 B" so you have plenty of [virtual pins](http://help.blynk.cc/en/articles/512061-what-is-virtual-pins) available, and lastly select WiFi.
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Create project and the [auth token](https://docs.blynk.cc/#getting-started-getting-started-with-the-blynk-app-4-auth-token) will be emailed to you (if emails configured). You can also find the token in app under the phone app settings, or in the admin web interface by clicking Users>"email address" and scroll down to token.
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## Quick usage guide for app
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Press on the empty page, the widgets will appear from the right.
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Select your widget, let's say a button.
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It appears on the page, press on it to configure.
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Give it a name and colour if you want.
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Press on PIN, and select virtual. Choose any pin i.e. V0
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Press ok.
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To start the project running, press top right Play button.
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You will get an offline message, because no devices are connected to your project via the token.
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Enter node red.....
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## Node red
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Install node-red-contrib-blynk-ws from pallette manager
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Drag a "write event" node into your flow, and connect to a debug node
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Configure the Blynk node for the first time:
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```URL: wss://youripaddress:9443/websockets``` more info [HERE](https://github.com/gablau/node-red-contrib-blynk-ws/blob/master/README.md#how-to-use)
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Enter your [auth token](https://docs.blynk.cc/#getting-started-getting-started-with-the-blynk-app-4-auth-token) from before and save/exit.
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When you deploy the flow, notice the app shows connected message, as does the Blynk node.
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Press the button on the app, you will notice the payload is sent to the debug node.
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## What next?
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Further information and advanced setup:
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https://github.com/blynkkk/blynk-server
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Check the documentation:
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https://docs.blynk.cc/
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Visit the community forum pages:
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https://community.blynk.cc/
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Interesting post by Peter Knight on MQTT/Node Red flows:
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https://community.blynk.cc/t/my-home-automation-projects-built-with-mqtt-and-node-red/29045
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Some Blynk flow examples:
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https://github.com/877dev/Node-Red-flow-examples
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Please refer to the [documentation on the master branch](https://sensorsiot.github.io/IOTstack/Containers/Blynk_server/).

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