Fix docker build

docker/Dockerfile.amd64

@@ -5,6 +5,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
         python \
         python-pip \
         python-setuptools \
+        python-pil \
         git \
     && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/*rm -rf /var/lib/apt/lists/* /tmp/* && \
     pip install --no-cache-dir --no-binary :all: platformio && \
@@ -15,6 +16,6 @@ RUN platformio run -d /pio; rm -rf /pio
 
 COPY . .
 RUN pip install --no-cache-dir --no-binary :all: -e . && \
-    pip install --no-cache-dir --no-binary :all: pillow tzlocal
+    pip install --no-cache-dir --no-binary :all: tzlocal
 
 CMD ["esphomeyaml", "/config/esphomeyaml", "dashboard"]

docker/Dockerfile.armhf

@@ -7,6 +7,12 @@ RUN apk add --no-cache \
         git \
         openssh \
         libc6-compat \
+        jpeg-dev \
+        zlib-dev \
+        freetype-dev \
+        lcms2-dev \
+        openjpeg-dev \
+        tiff-dev \
     && \
     pip install --no-cache-dir --no-binary :all: platformio && \
     platformio settings set enable_telemetry No
@@ -16,6 +22,6 @@ RUN platformio run -d /pio; rm -rf /pio
 
 COPY . .
 RUN pip install --no-cache-dir --no-binary :all: -e . && \
-    pip install --no-cache-dir --no-binary :all: pillow tzlocal
+    pip install --no-cache-dir pilow tzlocal
 
 CMD ["esphomeyaml", "/config/esphomeyaml", "dashboard"]

docker/Dockerfile.i386

@@ -5,6 +5,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
         python \
         python-pip \
         python-setuptools \
+        python-pil \
         git \
     && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/*rm -rf /var/lib/apt/lists/* /tmp/* && \
     pip install --no-cache-dir --no-binary :all: platformio && \
@@ -15,6 +16,6 @@ RUN platformio run -d /pio; rm -rf /pio
 
 COPY . .
 RUN pip install --no-cache-dir --no-binary :all: -e . && \
-    pip install --no-cache-dir --no-binary :all: pillow tzlocal
+    pip install --no-cache-dir --no-binary :all: tzlocal
 
 CMD ["esphomeyaml", "/config/esphomeyaml", "dashboard"]

docker/Dockerfile.test

@@ -0,0 +1,19 @@
+FROM ubuntu:bionic
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        python \
+        python-pip \
+        python-setuptools \
+        python-pil \
+        git \
+    && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/*rm -rf /var/lib/apt/lists/* /tmp/* && \
+    pip install --no-cache-dir --no-binary :all: platformio && \
+    platformio settings set enable_telemetry No
+
+COPY docker/platformio.ini /pio/platformio.ini
+RUN platformio run -d /pio; rm -rf /pio
+
+COPY requirements.txt /requirements.txt
+
+RUN pip install --no-cache-dir -r /requirements.txt && \
+    pip install --no-cache-dir tzlocal pillow